diff --git a/readme.md b/readme.md
index 905c975..e2beac8 100644
--- a/readme.md
+++ b/readme.md
@@ -51,8 +51,6 @@ A tiny framework to read, write & execute things.
 
 ### Task stack
 
-#### Python
-
 * character constants for box drawing
 * common __str__ function
 * parse pyproject.toml to write commands
@@ -61,14 +59,3 @@ A tiny framework to read, write & execute things.
   * system commands to run
     * with single call of subprocess.run
     * or alternate subprocess method?
-
-#### Shell
-
-* git switch signing commits & tags
-* shellcheck & shfmt
-* python tools
-* log
-* hetzner
-* apt
-  * apt-file search | grep
-* ffmpeg
diff --git a/rwx/__init__.py b/rwx/__init__.py
index 3dbfd68..50c7cbe 100644
--- a/rwx/__init__.py
+++ b/rwx/__init__.py
@@ -5,8 +5,8 @@ __version__ = "0.0.1"
 from os import linesep
 
 
-class Object:
-    """Root object."""
+class Class:
+    """Root class."""
 
     def __repr__(self) -> str:
         """Return machine-readable state.
diff --git a/rwx/err/__init__.py b/rwx/err/__init__.py
index 6c473e0..53a63c7 100644
--- a/rwx/err/__init__.py
+++ b/rwx/err/__init__.py
@@ -1,7 +1,7 @@
 """Handle errors."""
 
-from rwx import Object
+from rwx import Class
 
 
-class Error(Object, Exception):
+class Error(Class, Exception):
     """Parent class for all errors."""
diff --git a/rwx/fs/__init__.py b/rwx/fs/__init__.py
index 0772a8d..205746d 100644
--- a/rwx/fs/__init__.py
+++ b/rwx/fs/__init__.py
@@ -139,9 +139,11 @@ def wipe(path: Path) -> None:
     :type path: Path
     """
     try:
-        path.unlink(missing_ok=True)
-    except IsADirectoryError:
         shutil.rmtree(path)
+    except NotADirectoryError:
+        path.unlink(missing_ok=True)
+    except FileNotFoundError:
+        pass
 
 
 def write(file_path: Path, text: str, charset: str = CHARSET) -> None:
diff --git a/rwx/os/abstract.py b/rwx/os/abstract.py
index 98f3f0d..77f9cb1 100644
--- a/rwx/os/abstract.py
+++ b/rwx/os/abstract.py
@@ -3,10 +3,10 @@
 from abc import ABC, abstractmethod
 from pathlib import Path
 
-from rwx import Object
+from rwx import Class
 
 
-class OS(Object, ABC):
+class OS(Class, ABC):
     """Operating System."""
 
     def __init__(self, path: Path) -> None:
diff --git a/rwx/os/pm/__init__.py b/rwx/os/pm/__init__.py
index 785ce74..c55179a 100644
--- a/rwx/os/pm/__init__.py
+++ b/rwx/os/pm/__init__.py
@@ -2,11 +2,11 @@
 
 from abc import ABC, abstractmethod
 
-from rwx import Object
+from rwx import Class
 from rwx.ps import Command
 
 
-class PM(Object, ABC):
+class PM(Class, ABC):
     """Package Manager."""
 
     def __init__(self) -> None:
diff --git a/rwx/prj/__init__.py b/rwx/prj/__init__.py
index 62d91d9..cfbe3ae 100644
--- a/rwx/prj/__init__.py
+++ b/rwx/prj/__init__.py
@@ -2,10 +2,10 @@
 
 from pathlib import Path
 
-from rwx import Object
+from rwx import Class
 
 
-class Project(Object):
+class Project(Class):
     """Parent class for any type of project."""
 
     def __init__(self, file: Path) -> None:
diff --git a/rwx/ps/__init__.py b/rwx/ps/__init__.py
index 82c9640..821b9e3 100644
--- a/rwx/ps/__init__.py
+++ b/rwx/ps/__init__.py
@@ -2,10 +2,10 @@
 
 import subprocess
 
-from rwx import Object, txt
+from rwx import Class, txt
 
 
-class Command(Object):
+class Command(Class):
     """Command to run."""
 
     def __init__(self, *arguments: str | tuple[str, ...]) -> None:
diff --git a/rwx/sw/freetube/authors.py b/rwx/sw/freetube/authors.py
deleted file mode 100644
index e7cb913..0000000
--- a/rwx/sw/freetube/authors.py
+++ /dev/null
@@ -1,31 +0,0 @@
-"""FreeTube authors."""
-
-from typing import TYPE_CHECKING
-
-from rwx import Object
-
-if TYPE_CHECKING:
-    from .playlists import Playlist
-
-
-class Author(Object):
-    """FreeTube author."""
-
-    def __init__(self, uid: str, name: str) -> None:
-        """Set uid & name.
-
-        :param uid: identifier
-        :type uid: str
-        :param name: label
-        :type name: str
-        """
-        self.uid = uid
-        self.name = name
-        self.playlist: Playlist
-
-    def to_db(self) -> str:
-        """Return non-breakable name.
-
-        :rtype: str
-        """
-        return self.name.replace(" ", chr(0xA0))
diff --git a/rwx/sw/freetube/channels.py b/rwx/sw/freetube/channels.py
index 556dea7..30777e9 100644
--- a/rwx/sw/freetube/channels.py
+++ b/rwx/sw/freetube/channels.py
@@ -1,9 +1,9 @@
 """FreeTube channels."""
 
-from rwx import Object
+from rwx import Class
 
 
-class Channel(Object):
+class Channel(Class):
     """FreeTube channel."""
 
     def __init__(self, uid: str, name: str) -> None:
diff --git a/rwx/sw/freetube/languages.py b/rwx/sw/freetube/languages.py
deleted file mode 100644
index beeb173..0000000
--- a/rwx/sw/freetube/languages.py
+++ /dev/null
@@ -1,24 +0,0 @@
-"""FreeTube languages."""
-
-from typing import TYPE_CHECKING
-
-from rwx import Object
-
-if TYPE_CHECKING:
-    from .playlists import Playlist
-
-
-class Language(Object):
-    """FreeTube language."""
-
-    def __init__(self, uid: str, name: str) -> None:
-        """Set uid & name.
-
-        :param uid: identifier
-        :type uid: str
-        :param name: label
-        :type name: str
-        """
-        self.uid = uid
-        self.name = name
-        self.playlist: Playlist
diff --git a/rwx/sw/freetube/playlists.py b/rwx/sw/freetube/playlists.py
index f4b17de..4183336 100644
--- a/rwx/sw/freetube/playlists.py
+++ b/rwx/sw/freetube/playlists.py
@@ -1,11 +1,11 @@
 """FreeTube playlists."""
 
-from rwx import Object
+from rwx import Class
 
 from .videos import Video
 
 
-class Playlist(Object):
+class Playlist(Class):
     """FreeTube playlist."""
 
     def __init__(self, uid: str, name: str) -> None:
diff --git a/rwx/sw/freetube/profiles.py b/rwx/sw/freetube/profiles.py
index e164296..ffb0adc 100644
--- a/rwx/sw/freetube/profiles.py
+++ b/rwx/sw/freetube/profiles.py
@@ -1,11 +1,11 @@
 """FreeTube profiles."""
 
-from rwx import Object
+from rwx import Class
 
 from .channels import Channel
 
 
-class Profile(Object):
+class Profile(Class):
     """FreeTube profile."""
 
     def __init__(self, uid: str, name: str) -> None:
diff --git a/rwx/sw/freetube/settings.py b/rwx/sw/freetube/settings.py
index 621454b..67bb084 100644
--- a/rwx/sw/freetube/settings.py
+++ b/rwx/sw/freetube/settings.py
@@ -1,11 +1,11 @@
 """FreeTube settings."""
 
-from rwx import Object
+from rwx import Class
 
 from .db import to_db
 
 
-class Setting(Object):
+class Setting(Class):
     """FreeTube setting."""
 
     def __init__(self, uid: str, value: object) -> None:
diff --git a/rwx/sw/freetube/videos.py b/rwx/sw/freetube/videos.py
index 6003c75..8a53713 100644
--- a/rwx/sw/freetube/videos.py
+++ b/rwx/sw/freetube/videos.py
@@ -1,9 +1,9 @@
 """FreeTube videos."""
 
-from rwx import Object
+from rwx import Class
 
 
-class Video(Object):
+class Video(Class):
     """FreeTube video."""
 
     def __init__(self, uid: str, name: str) -> None:
diff --git a/sh/.shellcheckrc b/sh/.shellcheckrc
deleted file mode 100644
index 8e71c00..0000000
--- a/sh/.shellcheckrc
+++ /dev/null
@@ -1,4 +0,0 @@
-disable=3043
-enable=all
-external-sources=true
-shell=sh
diff --git a/sh/alias/apt.sh b/sh/alias/apt.sh
deleted file mode 100644
index 0f3294e..0000000
--- a/sh/alias/apt.sh
+++ /dev/null
@@ -1,95 +0,0 @@
-# show package information
-acl() { a__apt_cache_list "${@}"; }
-a__apt_cache_list() {
-	apt-cache \
-		show \
-		"${@}"
-}
-
-# package versions policy
-acp() { a__apt_cache_policy "${@}"; }
-a__apt_cache_policy() {
-	apt-cache \
-		policy \
-		"${@}"
-}
-
-# search package
-acs() { a__apt_cache_search "${@}"; }
-a__apt_cache_search() {
-	apt-cache \
-		search \
-		"${@}"
-}
-
-#
-agap() { a__apt_get_auto_purge "${@}"; }
-a__apt_get_auto_purge() {
-	apt-get \
-		autopurge \
-		"${@}"
-}
-
-#
-agar() { a__apt_get_auto_remove "${@}"; }
-a__apt_get_auto_remove() {
-	apt-get \
-		autoremove \
-		"${@}"
-}
-
-# clean packages cache
-agc() { a__apt_get_clean "${@}"; }
-a__apt_get_clean() {
-	apt-get \
-		clean \
-		"${@}"
-}
-
-# upgrade allowing package installation or removal
-agfu() { a__apt_get_full_upgrade "${@}"; }
-a__apt_get_full_upgrade() {
-	apt-get \
-		full-upgrade \
-		"${@}"
-}
-
-# install packages
-agi() { a__apt_get_install "${@}"; }
-a__apt_get_install() {
-	apt-get \
-		install \
-		"${@}"
-}
-
-#
-agp() { a__apt_get_purge "${@}"; }
-a__apt_get_purge() {
-	apt-get \
-		purge \
-		"${@}"
-}
-
-#
-agr() { a__apt_get_remove "${@}"; }
-a__apt_get_remove() {
-	apt-get \
-		remove \
-		"${@}"
-}
-
-# update packages catalog
-agud() { a__apt_get_up_date "${@}"; }
-a__apt_get_up_date() {
-	apt-get \
-		update \
-		"${@}"
-}
-
-# upgrade forbidding package installation or removal
-agug() { a__apt_get_up_grade "${@}"; }
-a__apt_get_up_grade() {
-	apt-get \
-		upgrade \
-		"${@}"
-}
diff --git a/sh/alias/batcat.sh b/sh/alias/batcat.sh
deleted file mode 100644
index 99d8373..0000000
--- a/sh/alias/batcat.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-b() { a__bat "${@}"; }
-a__bat() {
-	batcat \
-		"${@}"
-}
diff --git a/sh/alias/btrfs.sh b/sh/alias/btrfs.sh
deleted file mode 100644
index 0e4ba62..0000000
--- a/sh/alias/btrfs.sh
+++ /dev/null
@@ -1,73 +0,0 @@
-bfdf() { a__btrfs_filesystem_d_f "${@}"; }
-a__btrfs_filesystem_d_f() {
-	btrfs \
-		filesystem \
-		df \
-		"${@}"
-}
-
-bfdu() { a__btrfs_filesystem_d_u "${@}"; }
-a__btrfs_filesystem_d_u() {
-	btrfs \
-		filesystem \
-		du \
-		--summarize \
-		"${@}"
-}
-
-bfu() { a__btrfs_filesystem_usage "${@}"; }
-a__btrfs_filesystem_usage() {
-	btrfs \
-		filesystem \
-		usage \
-		"${@}"
-}
-
-bpg() { a__btrfs_property_get "${@}"; }
-a__btrfs_property_get() {
-	btrfs \
-		property \
-		get \
-		"${@}"
-}
-
-bsc() { a__btrfs_subvolume_create "${@}"; }
-a__btrfs_subvolume_create() {
-	btrfs \
-		subvolume \
-		create \
-		"${@}"
-}
-
-bsd() { a__btrfs_subvolume_delete "${@}"; }
-a__btrfs_subvolume_delete() {
-	btrfs \
-		subvolume \
-		delete \
-		"${@}"
-}
-
-bsl() { a__btrfs_subvolume_list "${@}"; }
-a__btrfs_subvolume_list() {
-	if [ -n "${1}" ]; then
-		btrfs subvolume list "${1}" |
-			cut --delimiter " " --fields 9 |
-			sort
-	fi
-}
-
-bss() { a__btrfs_subvolume_snapshot "${@}"; }
-a__btrfs_subvolume_snapshot() {
-	btrfs \
-		subvolume \
-		snapshot \
-		"${@}"
-}
-
-bssr() { a__btrfs_subvolume_snapshot_r "${@}"; }
-a__btrfs_subvolume_snapshot_r() {
-	btrfs \
-		subvolume \
-		snapshot -r \
-		"${@}"
-}
diff --git a/sh/alias/byobu.sh b/sh/alias/byobu.sh
deleted file mode 100644
index 0f5336e..0000000
--- a/sh/alias/byobu.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-bb() { a__byo_bu "${@}"; }
-a__byo_bu() {
-	byobu \
-		"${@}"
-}
-
-bba() { a__byo_bu_attach "${@}"; }
-a__byo_bu_attach() {
-	byobu \
-		attach-session \
-		"${@}"
-}
-
-bbl() { a__byo_bu_ls "${@}"; }
-a__byo_bu_ls() {
-	byobu \
-		ls \
-		"${@}"
-}
-
-bbnd() { a__byo_bu_new_detach "${@}"; }
-a__byo_bu_new_detach() {
-	byobu \
-		new-session \
-		-d \
-		"${@}"
-}
diff --git a/sh/alias/chmod.sh b/sh/alias/chmod.sh
deleted file mode 100644
index 57ec74e..0000000
--- a/sh/alias/chmod.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-# change mode to directory
-cmd() { a__change_mode_directory "${@}"; }
-a__change_mode_directory() {
-	chmod \
-		"755" \
-		"${@}"
-}
-
-# change mode to file
-cmf() { a__change_mode_file "${@}"; }
-a__change_mode_file() {
-	chmod \
-		"644" \
-		"${@}"
-}
diff --git a/sh/alias/chown.sh b/sh/alias/chown.sh
deleted file mode 100644
index f4fa865..0000000
--- a/sh/alias/chown.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-# change owner to root
-cor() { a__change_owner_root "${@}"; }
-a__change_owner_root() {
-	chown \
-		"0:0" \
-		"${@}"
-}
-
-# change owner to user
-cou() { a__change_owner_user "${@}"; }
-a__change_owner_user() {
-	chown \
-		"1000:1000" \
-		"${@}"
-}
diff --git a/sh/alias/clear.sh b/sh/alias/clear.sh
deleted file mode 100644
index ae32b30..0000000
--- a/sh/alias/clear.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-# clear terminal
-c() { a__clear "${@}"; }
-a__clear() {
-	clear \
-		"${@}"
-}
diff --git a/sh/alias/cp.sh b/sh/alias/cp.sh
deleted file mode 100644
index c9e7d6b..0000000
--- a/sh/alias/cp.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-# copy interactively
-cpi() { a__co_py_interactive "${@}"; }
-a__co_py_interactive() {
-	cp \
-		--interactive \
-		"${@}"
-}
diff --git a/sh/alias/emacs.sh b/sh/alias/emacs.sh
deleted file mode 100644
index 8e26878..0000000
--- a/sh/alias/emacs.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-em() { a__e_macs "${@}"; }
-a__e_macs() {
-	emacs \
-		"${@}"
-}
diff --git a/sh/alias/evince.sh b/sh/alias/evince.sh
deleted file mode 100644
index 25ac069..0000000
--- a/sh/alias/evince.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-ev() { a__e_vince "${@}"; }
-a__e_vince() {
-	evince \
-		"${@}"
-}
diff --git a/sh/alias/git.sh b/sh/alias/git.sh
deleted file mode 100644
index 6400092..0000000
--- a/sh/alias/git.sh
+++ /dev/null
@@ -1,535 +0,0 @@
-SH_GIT_LOG_FORMAT="\
-%C(auto)%h%d
-S %C(red)%GS
-A %C(green)%an %ae
-  %C(green)%ai
-C %C(blue)%cn %ce
-  %C(blue)%ci
-%B"
-
-# add to index
-ga() { a__git_add "${@}"; }
-a__git_add() {
-	git \
-		add \
-		"${@}"
-}
-
-# add all to index
-gaa() { a__git_add_all "${@}"; }
-a__git_add_all() {
-	git \
-		add \
-		--all \
-		"${@}"
-}
-
-# add parts of all to index
-gaap() { a__git_add_all_patch "${@}"; }
-a__git_add_all_patch() {
-	git \
-		add \
-		--all \
-		--patch \
-		"${@}"
-}
-
-# add parts to index
-gap() { a__git_add_patch "${@}"; }
-a__git_add_patch() {
-	git \
-		add \
-		--patch \
-		"${@}"
-}
-
-# create a branch
-gb() { a__git_branch "${@}"; }
-a__git_branch() {
-	git \
-		branch \
-		"${@}"
-}
-
-# delete a branch
-gbd() { a__git_branch_delete "${@}"; }
-a__git_branch_delete() {
-	git \
-		branch \
-		--delete \
-		"${@}"
-}
-
-# force a branch deletion
-gbdf() { a__git_branch_delete_force "${@}"; }
-a__git_branch_delete_force() {
-	git \
-		branch \
-		--delete \
-		--force \
-		"${@}"
-}
-
-# list branches
-gbl() { a__git_branch_list "${@}"; }
-a__git_branch_list() {
-	git \
-		branch \
-		--all \
-		--list \
-		--verbose \
-		--verbose \
-		"${@}"
-}
-
-# set the link to a remote branch from a local branch
-gbsu() { a__git_branch_set_upstream "${@}"; }
-a__git_branch_set_upstream() {
-	git \
-		branch \
-		--set-upstream-to \
-		"${@}"
-}
-
-# switch to a branch or checkout file(s) from a commit
-gc() { a__git_checkout "${@}"; }
-a__git_checkout() {
-	git \
-		checkout \
-		"${@}"
-}
-
-# checkout an orphan branch
-gco() { a__git_checkout_orphan "${@}"; }
-a__git_checkout_orphan() {
-	git \
-		checkout \
-		--orphan \
-		"${@}"
-}
-
-# pick a commit
-gcp() { a__git_cherry_pick "${@}"; }
-a__git_cherry_pick() {
-	git \
-		cherry-pick \
-		"${@}"
-}
-
-# abort the commit pick
-gcpa() { a__git_cherry_pick_abort "${@}"; }
-a__git_cherry_pick_abort() {
-	git \
-		cherry-pick \
-		--abort \
-		"${@}"
-}
-
-# continue the commit pick
-gcpc() { a__git_cherry_pick_continue "${@}"; }
-a__git_cherry_pick_continue() {
-	git \
-		cherry-pick \
-		--continue \
-		"${@}"
-}
-
-# clean untracked files
-gcf() { a__git_clean_force "${@}"; }
-a__git_clean_force() {
-	git \
-		clean \
-		-d \
-		--force \
-		"${@}"
-}
-
-# redo the last commit with a different message
-gcam() { a__git_commit_amend_message "${@}"; }
-a__git_commit_amend_message() {
-	git \
-		commit \
-		--amend \
-		--message \
-		"${@}"
-}
-
-# make a root commit
-gcem() { a__git_commit_empty_message "${@}"; }
-a__git_commit_empty_message() {
-	git \
-		commit \
-		--allow-empty \
-		--allow-empty-message \
-		--message \
-		"${@}"
-}
-
-# commit the index
-gcm() { a__git_commit_message "${@}"; }
-a__git_commit_message() {
-	git \
-		commit \
-		--message \
-		"${@}"
-}
-
-# configure the user email
-gcue() { a__git_config_user_email "${@}"; }
-a__git_config_user_email() {
-	git \
-		config \
-		"user.email" \
-		"${@}"
-}
-
-# configure the user name
-gcun() { a__git_config_user_name "${@}"; }
-a__git_config_user_name() {
-	git \
-		config \
-		"user.name" \
-		"${@}"
-}
-
-# differences from last or between commits
-gd() { a__git_diff "${@}"; }
-a__git_diff() {
-	git \
-		diff \
-		"${@}"
-}
-
-# display what is indexed in cache
-gdc() { a__git_diff_cached "${@}"; }
-a__git_diff_cached() {
-	git \
-		diff \
-		--cached \
-		"${@}"
-}
-
-# indexed character-level differences
-gdcw() { a__git_diff_cached_word "${@}"; }
-a__git_diff_cached_word() {
-	git \
-		diff \
-		--cached \
-		--word-diff-regex "." \
-		"${@}"
-}
-
-# differences via external tool
-gdt() { a__git_diff_tool "${@}"; }
-a__git_diff_tool() {
-	git \
-		difftool \
-		--dir-diff \
-		"${@}"
-}
-
-# character-level differences
-gdw() { a__git_diff_word "${@}"; }
-a__git_diff_word() {
-	git \
-		diff \
-		--word-diff-regex "." \
-		"${@}"
-}
-
-# fetch from the remote repository
-gf() { a__git_fetch "${@}"; }
-a__git_fetch() {
-	git \
-		fetch \
-		--tags \
-		--verbose \
-		"${@}"
-}
-
-# fetch from remote repository and prune local orphan branches
-gfp() { a__git_fetch_prune "${@}"; }
-a__git_fetch_prune() {
-	a__git_fetch \
-		--prune \
-		"${@}"
-}
-
-# garbage collect all orphan commits
-ggc() { a__git_garbage_collect "${@}"; }
-a__git_garbage_collect() {
-	git \
-		reflog \
-		expire \
-		--all \
-		--expire "all" &&
-		git \
-			gc \
-			--aggressive \
-			--prune="now"
-}
-
-# initialize a new repository
-gi() { a__git_init "${@}"; }
-a__git_init() {
-	git \
-		init \
-		"${@}"
-}
-
-# initialize a new bare repository
-gib() { a__git_init_bare "${@}"; }
-a__git_init_bare() {
-	git \
-		init \
-		--bare \
-		"${@}"
-}
-
-# log history
-gl() { a__git_log "${@}"; }
-a__git_log() {
-	git \
-		log \
-		--abbrev=8 \
-		--abbrev-commit \
-		--format="${SH_GIT_LOG_FORMAT}" \
-		--graph \
-		"${@}"
-}
-
-# log all history
-gla() { a__git_log_all "${@}"; }
-a__git_log_all() {
-	a__git_log \
-		--all \
-		"${@}"
-}
-
-# log all history with patches
-glap() { a__git_log_all_patch "${@}"; }
-a__git_log_all_patch() {
-	a__git_log \
-		--all \
-		--patch \
-		"${@}"
-}
-
-# log history with patches
-glp() { a__git_log_patch "${@}"; }
-a__git_log_patch() {
-	a__git_log \
-		--patch \
-		"${@}"
-}
-
-# fast-forward merge to remote branch
-gm() { a__git_merge "${@}"; }
-a__git_merge() {
-	git \
-		merge \
-		--ff-only \
-		"${@}"
-}
-
-# abort the current merge commit
-gma() { a__git_merge_abort "${@}"; }
-a__git_merge_abort() {
-	git \
-		merge \
-		--abort \
-		"${@}"
-}
-
-# do a merge commit
-gmc() { a__git_merge_commit "${@}"; }
-a__git_merge_commit() {
-	git \
-		merge \
-		--no-ff \
-		--message \
-		"${@}"
-}
-
-# squash a branch and index its modifications
-gms() { a__git_merge_squash "${@}"; }
-a__git_merge_squash() {
-	git \
-		merge \
-		--squash \
-		"${@}"
-}
-
-# merge via external tool
-gmt() { a__git_merge_tool "${@}"; }
-a__git_merge_tool() {
-	git \
-		mergetool \
-		"${@}"
-}
-
-# push to the remote repository
-gp() { a__git_push "${@}"; }
-a__git_push() {
-	git \
-		push \
-		--tags \
-		--verbose \
-		"${@}"
-}
-
-# delete from the remote repository
-gpd() { a__git_push_delete "${@}"; }
-a__git_push_delete() {
-	git \
-		push \
-		--delete \
-		"${@}"
-}
-
-# force the push to the remote repository
-gpf() { a__git_push_force "${@}"; }
-a__git_push_force() {
-	a__git_push \
-		--force \
-		"${@}"
-}
-
-# rebase current branch onto another
-grb() { a__git_re_base "${@}"; }
-a__git_re_base() {
-	git \
-		rebase \
-		"${@}"
-}
-
-# abort current rebase
-grba() { a__git_re_base_abort "${@}"; }
-a__git_re_base_abort() {
-	git \
-		rebase \
-		--abort \
-		"${@}"
-}
-
-# continue current rebase
-grbc() { a__git_re_base_continue "${@}"; }
-a__git_re_base_continue() {
-	git \
-		rebase \
-		--continue \
-		"${@}"
-}
-
-# force rebase without fast-forward
-grbf() { a__git_re_base_force "${@}"; }
-a__git_re_base_force() {
-	git \
-		rebase \
-		--force-rebase \
-		"${@}"
-}
-
-# rebase interactively
-grbi() { a__git_re_base_interactive "${@}"; }
-a__git_re_base_interactive() {
-	git \
-		rebase \
-		--interactive \
-		"${@}"
-}
-
-# add a new remote repository
-grma() { a__git_re_mote_add "${@}"; }
-a__git_re_mote_add() {
-	git \
-		remote \
-		add \
-		"${@}"
-}
-
-# list remote repositories
-grml() { a__git_re_mote_list "${@}"; }
-a__git_re_mote_list() {
-	git \
-		remote \
-		--verbose \
-		"${@}"
-}
-
-# set the location of a remote repository
-grmsu() { a__git_re_mote_set_upstream "${@}"; }
-a__git_re_mote_set_upstream() {
-	git \
-		remote \
-		set-url \
-		"${@}"
-}
-
-# show connection to a remote repository
-grms() { a__git_re_mote_show "${@}"; }
-a__git_re_mote_show() {
-	git \
-		remote \
-		show \
-		"${@}"
-}
-
-# remove and add removal to index
-grm() { a__git_re_move "${@}"; }
-a__git_re_move() {
-	git \
-		rm \
-		"${@}"
-}
-
-# remove file(s) from index or move current branch pointer
-grs() { a__git_re_set "${@}"; }
-a__git_re_set() {
-	git \
-		reset \
-		"${@}"
-}
-
-# wipe modifications or reset current branch to another commit
-grsh() { a__git_re_set_hard "${@}"; }
-a__git_re_set_hard() {
-	git \
-		reset \
-		--hard \
-		"${@}"
-}
-
-# show a commit
-gsc() { a__git_show_commit "${@}"; }
-a__git_show_commit() {
-	git \
-		show \
-		"${@}"
-}
-
-# current state of repository
-gs() { a__git_status "${@}"; }
-a__git_status() {
-	git \
-		status \
-		--untracked-files="all" \
-		"${@}"
-}
-
-# tag a commit
-gt() { a__git_tag "${@}"; }
-a__git_tag() {
-	git \
-		tag \
-		"${@}"
-}
-
-# delete a tag
-gtd() { a__git_tag_delete "${@}"; }
-a__git_tag_delete() {
-	git \
-		tag \
-		--delete \
-		"${@}"
-}
diff --git a/sh/alias/gpg.sh b/sh/alias/gpg.sh
deleted file mode 100644
index 496b05e..0000000
--- a/sh/alias/gpg.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-# turn gpg agent off
-gak() { a__gpg_agent_kill "${@}"; }
-a__gpg_agent_kill() {
-	gpgconf \
-		--kill "gpg-agent"
-}
-
-# bind gpg agent to current tty
-gau() { a__gpg_agent_update "${@}"; }
-a__gpg_agent_update() {
-	gpg-connect-agent \
-		updatestartuptty \
-		/bye
-}
diff --git a/sh/alias/grep.sh b/sh/alias/grep.sh
deleted file mode 100644
index 5b00ed7..0000000
--- a/sh/alias/grep.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-# grep from current directory with regex
-g() { a__grep "${@}"; }
-a__grep() {
-	grep \
-		--directories "recurse" \
-		--line-number \
-		--regexp \
-		"${@}"
-}
diff --git a/sh/alias/kill.sh b/sh/alias/kill.sh
deleted file mode 100644
index 718a307..0000000
--- a/sh/alias/kill.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-# kill a process by id
-k() { a__kill "${@}"; }
-a__kill() {
-	kill \
-		"${@}"
-}
-
-# force kill a process by id
-kf() { a__kill_force "${@}"; }
-a__kill_force() {
-	kill \
-		-9 \
-		"${@}"
-}
diff --git a/sh/alias/killall.sh b/sh/alias/killall.sh
deleted file mode 100644
index 6658065..0000000
--- a/sh/alias/killall.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-# kill all instances of a process by name
-ka() { a__kill_all "${@}"; }
-a__kill_all() {
-	killall \
-		"${@}"
-}
-
-# force kill all instances of a process by name
-kaf() { a__kill_all_force "${@}"; }
-a__kill_all_force() {
-	killall \
-		-9 \
-		"${@}"
-}
diff --git a/sh/alias/ls.sh b/sh/alias/ls.sh
deleted file mode 100644
index ad5a809..0000000
--- a/sh/alias/ls.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-export LS_COLORS="\
-di=0;94\
-"
-
-# list current directory’s entries
-l() { a__ls "${@}"; }
-a__ls() {
-	ls \
-		--all \
-		--color \
-		-l \
-		-p \
-		--time-style "+" \
-		"${@}"
-}
-
-# list timestamps
-lt() { a__ls_time "${@}"; }
-a__ls_time() {
-	a__ls \
-		--time-style "+%Y%m%d-%H%M%S%-:::z" \
-		"${@}"
-}
-
-# list timestamps recent last
-ltr() { a__ls_time_reverse "${@}"; }
-a__ls_time_reverse() {
-	a__ls_time \
-		--reverse \
-		-t \
-		"${@}"
-}
diff --git a/sh/alias/lsblk.sh b/sh/alias/lsblk.sh
deleted file mode 100644
index 43dffc6..0000000
--- a/sh/alias/lsblk.sh
+++ /dev/null
@@ -1,31 +0,0 @@
-# list block devices
-lb() { a__list_block "${@}"; }
-a__list_block() {
-	a__list_block_output \
-		"SIZE" \
-		"TYPE" \
-		"FSTYPE" \
-		"LABEL" \
-		"MOUNTPOINTS" \
-		"${@}"
-}
-
-# base arguments
-lbne() { a__list_block_no_empty "${@}"; }
-a__list_block_no_empty() {
-	lsblk \
-		--noempty \
-		"${@}"
-}
-
-# output arguments
-lbo() { a__list_block_output "${@}"; }
-a__list_block_output() {
-	local argument
-	local arguments="NAME"
-	for argument in "${@}"; do
-		arguments="${arguments},${argument}"
-	done
-	a__list_block_no_empty \
-		--output "${arguments}"
-}
diff --git a/sh/alias/mkdir.sh b/sh/alias/mkdir.sh
deleted file mode 100644
index bebc665..0000000
--- a/sh/alias/mkdir.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-# make a directory
-md() { a__make_directory "${@}"; }
-a__make_directory() {
-	mkdir \
-		"${@}"
-}
-
-# make a directory after making its parents
-mdp() { a__make_directory_parents "${@}"; }
-a__make_directory_parents() {
-	mkdir \
-		--parents \
-		"${@}"
-}
diff --git a/sh/alias/mount.sh b/sh/alias/mount.sh
deleted file mode 100644
index 535910e..0000000
--- a/sh/alias/mount.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-m() { a__mount "${@}"; }
-a__mount() {
-	mount \
-		"${@}"
-}
diff --git a/sh/alias/mv.sh b/sh/alias/mv.sh
deleted file mode 100644
index 0630042..0000000
--- a/sh/alias/mv.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-# move interactively
-mvi() { a__mo_ve_interactive "${@}"; }
-a__mo_ve_interactive() {
-	mv \
-		--interactive \
-		"${@}"
-}
diff --git a/sh/alias/nano.sh b/sh/alias/nano.sh
deleted file mode 100644
index 7570cda..0000000
--- a/sh/alias/nano.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-nn() { a__na_no "${@}"; }
-a__na_no() {
-	nano \
-		"${@}"
-}
diff --git a/sh/alias/newsboat.sh b/sh/alias/newsboat.sh
deleted file mode 100644
index 6c08c90..0000000
--- a/sh/alias/newsboat.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-nb() { a__news_boat "${@}"; }
-a__news_boat() {
-	newsboat \
-		"${@}"
-}
diff --git a/sh/alias/overlay.sh b/sh/alias/overlay.sh
deleted file mode 100644
index 6357655..0000000
--- a/sh/alias/overlay.sh
+++ /dev/null
@@ -1,140 +0,0 @@
-obm() { a__overlay_bind_mount "${@}"; }
-a__overlay_bind_mount() {
-	local directory
-	for directory in "dev" "dev/pts" "proc" "sys"; do
-		if ! mount --bind "/${directory}" "overlay/mount/${directory}"; then
-			rwx_log_error "Unable to bind mount directory: ${directory}"
-			return 1
-		fi
-	done
-}
-
-obu() { a__overlay_bind_unmount "${@}"; }
-a__overlay_bind_unmount() {
-	local directory
-	for directory in "sys" "proc" "dev/pts" "dev"; do
-		if ! umount --lazy "overlay/mount/${directory}"; then
-			rwx_log_error "Unable to bind unmount directory: ${directory}"
-			return 1
-		fi
-	done
-}
-
-ocr() { a__overlay_command_root "${@}"; }
-a__overlay_command_root() {
-	chroot \
-		"overlay/mount" "${@}"
-}
-
-ocu() { a__overlay_command_user "${@}"; }
-a__overlay_command_user() {
-	chroot \
-		--userspec "1000:1000" \
-		"overlay/mount" "${@}"
-}
-
-omm() { a__overlay_mirror_mount "${@}"; }
-a__overlay_mirror_mount() {
-	mount --make-rslave --rbind "/deb" "overlay/mount/deb"
-}
-
-omu() { a__overlay_mirror_unmount "${@}"; }
-a__overlay_mirror_unmount() {
-	umount --recursive "overlay/mount/deb"
-}
-
-orm() { a__overlay_root_mount "${@}"; }
-a__overlay_root_mount() {
-	local root="${1}"
-	if [ -z "${root}" ]; then
-		rwx_log_error "No root target directory"
-		return 1
-	fi
-	root="$(realpath "${root}")"
-	if ! mkdir "overlay"; then
-		rwx_log_error "Unable to make overlay directory"
-		return 2
-	fi
-	(
-		if ! cd "overlay"; then
-			rwx_log_error "Unable to move into overlay directory"
-			return 3
-		fi
-		local directory
-		for directory in "lower" "upper" "work" "mount"; do
-			if ! mkdir --parents "${directory}"; then
-				rwx_log_error "Unable to make directory: ${directory}"
-				return 4
-			fi
-		done
-		local file="${root}/filesystem.squashfs"
-		if ! mount "${file}" "lower"; then
-			rwx_log_error "Unable to lower mount: ${file}"
-			return 5
-		fi
-		if ! mount \
-			-o "lowerdir=lower,upperdir=upper,workdir=work" \
-			-t "overlay" \
-			"overlay" "mount"; then
-			rwx_log_error "Unable to overlay mount"
-			return 6
-		fi
-	)
-}
-
-ors() { a__overlay_root_squash "${@}"; }
-a__overlay_root_squash() {
-	local directory="${1}"
-	local file
-	local level="${2}"
-	if [ -n "${directory}" ]; then
-		if mkdir "${directory}"; then
-			[ -n "${level}" ] || level="18"
-			for file in "vmlinuz" "initrd.img"; do
-				cp "overlay/mount/${file}" "${directory}"
-			done
-			mksquashfs \
-				"overlay/mount" "${directory}/filesystem.squashfs" \
-				-noappend \
-				-comp "zstd" -Xcompression-level "${level}"
-			chown --recursive 1000:1000 "${directory}"
-		fi
-	fi
-}
-
-oru() { a__overlay_root_unmount "${@}"; }
-a__overlay_root_unmount() {
-	(
-		if ! cd "overlay"; then
-			rwx_log_error "Unable to move into overlay directory"
-			return 1
-		fi
-		if ! umount "mount"; then
-			rwx_log_error "Unable to unmount mount directory"
-			return 2
-		fi
-		if ! rmdir "mount"; then
-			rwx_log_error "Unable to remove mount directory"
-			return 3
-		fi
-		local directory
-		for directory in "upper" "work"; do
-			if ! rm --force --recursive "${directory}"; then
-				rwx_log_error "Unable to remove directory: ${directory}"
-				return 4
-			fi
-		done
-		if ! umount "lower"; then
-			rwx_log_error "Unable to unmount lower directory"
-			return 5
-		fi
-		if ! rmdir "lower"; then
-			rwx_log_error "Unable to remove lower directory"
-			return 6
-		fi
-	)
-	if ! rmdir "overlay"; then
-		rwx_log_error "Unable to remove overlay directory"
-		return 7
-	fi
-}
diff --git a/sh/alias/pass.sh b/sh/alias/pass.sh
deleted file mode 100644
index 66cad55..0000000
--- a/sh/alias/pass.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-# display pass entry’s content
-p() { a__pass "${@}"; }
-a__pass() {
-	pass \
-		"${@}"
-}
-
-# copy passphrase into clipboard
-pc() { a__pass_clip "${@}"; }
-a__pass_clip() {
-	pass \
-		--clip \
-		"${@}"
-}
diff --git a/sh/alias/pgrep.sh b/sh/alias/pgrep.sh
deleted file mode 100644
index 72de025..0000000
--- a/sh/alias/pgrep.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-# look for a string in processes names
-pg() { a__proc_grep "${@}"; }
-a__proc_grep() {
-	pgrep \
-		--list-full \
-		"${@}"
-}
diff --git a/sh/alias/pwgen.sh b/sh/alias/pwgen.sh
deleted file mode 100644
index 3b3dc83..0000000
--- a/sh/alias/pwgen.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-# generate passwords
-pwg() { a__pass_word_gen "${@}"; }
-a__pass_word_gen() {
-	pwgen \
-		-1 \
-		--num-passwords 1048576 \
-		--secure \
-		"${@}"
-}
-
-# generate passwords with symbols
-pwgs() { a__pass_word_gen_symbols "${@}"; }
-a__pass_word_gen_symbols() {
-	a__pass_word_gen \
-		--symbols \
-		"${@}"
-}
diff --git a/sh/alias/rm.sh b/sh/alias/rm.sh
deleted file mode 100644
index 9634c1b..0000000
--- a/sh/alias/rm.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-# remove interactively
-rmi() { a__re_move_interactive "${@}"; }
-a__re_move_interactive() {
-	rm \
-		--interactive \
-		"${@}"
-}
diff --git a/sh/alias/rsync.sh b/sh/alias/rsync.sh
deleted file mode 100644
index bdbe4ed..0000000
--- a/sh/alias/rsync.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-# synchronize
-rs() { a__r_sync "${@}"; }
-a__r_sync() {
-	rsync \
-		--archive \
-		--no-inc-recursive \
-		--partial \
-		--progress \
-		--verbose \
-		"${@}"
-}
-
-# synchronize and delete after
-rsda() { a__r_sync_delete_after "${@}"; }
-a__r_sync_delete_after() {
-	a__r_sync \
-		--delete-after \
-		"${@}"
-}
-
-# synchronize and delete before
-rsdb() { a__r_sync_delete_before "${@}"; }
-a__r_sync_delete_before() {
-	a__r_sync \
-		--delete-before \
-		"${@}"
-}
diff --git a/sh/alias/shell.sh b/sh/alias/shell.sh
deleted file mode 100644
index d6f5801..0000000
--- a/sh/alias/shell.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-# shorten alias
-a() {
-	alias \
-		"${@}"
-}
-
-# swap directory (current ↔ previous)
-sd() {
-	cd \
-		- ||
-		return
-}
-
-# exit terminal
-x() {
-	exit \
-		"${@}"
-}
-
-[ "${RWX_SHELL}" = "bash" ] || return
-
-# shellcheck disable=SC3033
-..() {
-	cd ..
-}
-# shellcheck disable=SC3033
-...() {
-	cd ../..
-}
diff --git a/sh/alias/tar.sh b/sh/alias/tar.sh
deleted file mode 100644
index 92b8fbf..0000000
--- a/sh/alias/tar.sh
+++ /dev/null
@@ -1,31 +0,0 @@
-tc() { a__tar_create "${@}"; }
-a__tar_create() {
-	a__tar_verbose \
-		--create \
-		--auto-compress \
-		--file \
-		"${@}"
-}
-
-tl() { a__tar_list "${@}"; }
-a__tar_list() {
-	a__tar_verbose \
-		--list \
-		--file \
-		"${@}"
-}
-
-tv() { a__tar_verbose "${@}"; }
-a__tar_verbose() {
-	tar \
-		--verbose \
-		"${@}"
-}
-
-tx() { a__tar_xtract "${@}"; }
-a__tar_xtract() {
-	a__tar_verbose \
-		--extract \
-		--file \
-		"${@}"
-}
diff --git a/sh/alias/tmux.sh b/sh/alias/tmux.sh
deleted file mode 100644
index b30dc79..0000000
--- a/sh/alias/tmux.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-tm() { a__t_mux "${@}"; }
-a__t_mux() {
-	tmux \
-		"${@}"
-}
diff --git a/sh/alias/tree.sh b/sh/alias/tree.sh
deleted file mode 100644
index 03be3de..0000000
--- a/sh/alias/tree.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-t() { a__tree "${@}"; }
-a__tree() {
-	tree \
-		"${@}"
-}
-
-ta() { a__tree_all "${@}"; }
-a__tree_all() {
-	tree \
-		-a \
-		"${@}"
-}
diff --git a/sh/debian.sh b/sh/debian.sh
deleted file mode 100644
index 88e8b01..0000000
--- a/sh/debian.sh
+++ /dev/null
@@ -1,76 +0,0 @@
-RWX_DEBIAN_CODENAME="$(
-	grep "VERSION_CODENAME" "/etc/os-release" |
-		cut --delimiter "=" --fields "2"
-)"
-
-rwx_apt_clean() {
-	apt-get \
-		clean
-}
-
-rwx_apt_conf_write() {
-	printf "\
-Acquire::AllowInsecureRepositories False;
-Acquire::AllowWeakRepositories False;
-Acquire::AllowDowngradeToInsecureRepositories False;
-Acquire::Check-Valid-Until True;
-APT::Install-Recommends False;
-APT::Install-Suggests False;
-APT::Get::Show-Versions True;
-Dir::Etc::SourceParts \"\";
-Dpkg::Progress True;
-" >"/etc/apt/apt.conf.d/apt.conf"
-}
-
-rwx_apt_install_backports() {
-	rwx_apt_install_target "${RWX_DEBIAN_CODENAME}-backports" "${@}"
-}
-
-rwx_apt_install_release() {
-	rwx_apt_install_target "${RWX_DEBIAN_CODENAME}" "${@}"
-}
-
-rwx_apt_install_target() {
-	local target="${1}"
-	shift
-	local package
-	for package in "${@}"; do
-		rwx_log "" \
-			"${package} ← ${target}"
-		apt-get \
-			install \
-			--assume-yes \
-			--target-release "${target}" \
-			"${package}"
-		rwx_apt_clean
-	done
-}
-
-rwx_apt_sources_write() {
-	printf "%s" "\
-deb https://deb.debian.org/debian \
-${RWX_DEBIAN_CODENAME} main non-free-firmware contrib non-free
-deb https://deb.debian.org/debian \
-${RWX_DEBIAN_CODENAME}-backports main non-free-firmware contrib non-free
-deb https://deb.debian.org/debian \
-${RWX_DEBIAN_CODENAME}-updates main non-free-firmware contrib non-free
-deb https://deb.debian.org/debian-security \
-${RWX_DEBIAN_CODENAME}-security main non-free-firmware contrib non-free
-" >"/etc/apt/sources.list"
-}
-
-rwx_apt_update() {
-	apt-get \
-		update
-}
-
-rwx_apt_upgrade() {
-	apt-get \
-		upgrade \
-		--assume-yes
-	rwx_apt_clean
-}
-
-rwx_debian_frontend_disable() {
-	export DEBIAN_FRONTEND="noninteractive"
-}
diff --git a/sh/fs.sh b/sh/fs.sh
deleted file mode 100644
index ac46f6d..0000000
--- a/sh/fs.sh
+++ /dev/null
@@ -1,121 +0,0 @@
-rwx_fs_make_btrfs() {
-	local device="${1}"
-	local label="${2}"
-	local uuid="${3}"
-	if [ -b "${device}" ]; then
-		set -- \
-			--force \
-			--checksum "sha256"
-		if [ -n "${label}" ]; then
-			set -- "${@}" \
-				--label "${label}"
-		fi
-		if [ -n "${uuid}" ]; then
-			set -- "${@}" \
-				--uuid "${uuid}"
-		fi
-		mkfs.btrfs "${@}" "${device}"
-	fi
-}
-
-rwx_fs_make_btrfs_swap() {
-	local path="${1}"
-	local size="${2}"
-	local uuid="${3}"
-	if [ -n "${path}" ]; then
-		set -- filesystem mkswapfile
-		if [ -n "${size}" ]; then
-			set -- "${@}" \
-				--size "${size}"
-		fi
-		if [ -n "${uuid}" ]; then
-			set -- "${@}" \
-				--uuid "${uuid}"
-		fi
-		btrfs "${@}" "${path}"
-	fi
-}
-
-rwx_fs_make_fat() {
-	local device="${1}"
-	local name="${2}"
-	local volid="${3}"
-	if [ -b "${device}" ]; then
-		set -- \
-			-F 32 \
-			-S 4096
-		if [ -n "${name}" ]; then
-			set -- "${@}" \
-				-n "${name}"
-		fi
-		if [ -n "${volid}" ]; then
-			set -- "${@}" \
-				-i "${volid}"
-		fi
-		mkfs.fat "${@}" "${device}"
-	fi
-}
-
-rwx_fs_raid_create() {
-	if [ -n "${4}" ]; then
-		local name="${1}"
-		local uuid="${2}"
-		shift 2
-		mdadm \
-			--create "/dev/md/${name}" \
-			--level 0 \
-			--metadata 1 \
-			--name "md:${name}" \
-			--raid-devices ${#} \
-			--uuid "${uuid}" \
-			"${@}"
-	fi
-}
-
-rwx_fs_wipe() {
-	local device="${1}"
-	local buffer="${2}"
-	local count="${3}"
-	if [ -b "${device}" ]; then
-		set -- \
-			status="progress" \
-			if="/dev/zero" \
-			of="${device}"
-		if [ -n "${buffer}" ]; then
-			set -- "${@}" \
-				bs="${buffer}"
-		fi
-		if [ -n "${count}" ]; then
-			set -- "${@}" \
-				count="${count}"
-		fi
-		dd "${@}"
-	fi
-}
-
-rwx_fs_luks_format() {
-	local passphrase="${1}"
-	local device="${2}"
-	local label="${3}"
-	local uuid="${4}"
-	if [ -b "${device}" ]; then
-		set -- \
-			--batch-mode \
-			--cipher "aes-xts-plain64" \
-			--hash "sha512" \
-			--iter-time 4096 \
-			--key-size 512 \
-			--pbkdf "argon2id" \
-			--type "luks2" \
-			--use-random \
-			--verbose
-		if [ -n "${label}" ]; then
-			set -- "${@}" --label "${label}"
-		fi
-		if [ -n "${uuid}" ]; then
-			set -- "${@}" --uuid "${uuid}"
-		fi
-		echo "${passphrase}" |
-			cryptsetup "${@}" luksFormat "${device}"
-	fi
-}
diff --git a/sh/gnome.sh b/sh/gnome.sh
deleted file mode 100644
index 11831fb..0000000
--- a/sh/gnome.sh
+++ /dev/null
@@ -1,24 +0,0 @@
-rwx_gnome_proxy() {
-	local value
-	case "${1}" in
-	"on") value="manual" ;;
-	*) value="none" ;;
-	esac
-	gsettings set "org.gnome.system.proxy" "mode" "${value}"
-}
-
-rwx_gnome_workspaces_primary() {
-	local bool
-	local group="org.gnome.mutter"
-	local name="workspaces-only-on-primary"
-	local var="${group}/${name}"
-	# get
-	bool="$(gsettings get "${group}" "${name}")"
-	rwx_log_debug "${var}: ${bool}"
-	# not
-	bool="$(rwx_not "${bool}")"
-	rwx_log_debug "bool: ${bool}"
-	# set
-	gsettings set "${group}" "${name}" "${bool}"
-	rwx_log_info "${var}: ${bool}"
-}
diff --git a/sh/gpg.sh b/sh/gpg.sh
deleted file mode 100644
index a2b7f50..0000000
--- a/sh/gpg.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-rwx_gpg_ssh_auth_sock() {
-	local user_id
-	user_id=$(id --user)
-	if [ "${user_id}" -ne 0 ]; then
-		if [ -f "${HOME}/.gnupg/gpg-agent.conf" ]; then
-			SSH_AUTH_SOCK="$(gpgconf --list-dirs agent-ssh-socket)"
-			export SSH_AUTH_SOCK
-		fi
-	fi
-}
-
-rwx_gpg_ssh_auth_sock
diff --git a/sh/lint/shellcheck.sh b/sh/lint/shellcheck.sh
deleted file mode 100644
index f31b2b4..0000000
--- a/sh/lint/shellcheck.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-rwx_shellcheck() {
-	local root="${1}"
-	local file module modules path
-	file="$(mktemp)"
-	modules="$(rwx_find_shell "${root}")"
-	rwx_ifs_set
-	for module in ${modules}; do
-		path="${root}/${module}"
-		echo ". \"${path}\"" >>"${file}"
-	done
-	rwx_ifs_unset
-	shellcheck \
-		--check-sourced \
-		--enable "all" \
-		--exclude "3043" \
-		--external-sources \
-		--shell "dash" \
-		"${file}"
-	rm "${file}"
-}
diff --git a/sh/lint/shfmt.sh b/sh/lint/shfmt.sh
deleted file mode 100644
index 097de86..0000000
--- a/sh/lint/shfmt.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-rwx_shfmt() {
-	local root="${1}"
-	shfmt --diff "${root}"
-}
diff --git a/sh/live.sh b/sh/live.sh
deleted file mode 100644
index 7d82bfc..0000000
--- a/sh/live.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-# remount read-only medium in read-write
-rwx_live_medium_remount() {
-	mount \
-		-o "remount,rw" \
-		"/usr/lib/live/mount/medium"
-}
diff --git a/sh/log.sh b/sh/log.sh
deleted file mode 100644
index b921d45..0000000
--- a/sh/log.sh
+++ /dev/null
@@ -1,68 +0,0 @@
-RWX_LOG_LEVEL_FATAL=0
-RWX_LOG_LEVEL_ERROR=1
-RWX_LOG_LEVEL_WARN=2
-RWX_LOG_LEVEL_INFO=3
-RWX_LOG_LEVEL_DEBUG=4
-RWX_LOG_LEVEL_TRACE=5
-
-RWX_LOG_LEVEL=${RWX_LOG_LEVEL_INFO}
-
-rwx_log() { rwx_log_info "${@}"; }
-
-rwx_log_debug() {
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_DEBUG}" ]; then
-		_rwx_log "[DEBUG]" "${@}"
-	fi
-}
-
-rwx_log_error() {
-	local code="${1}"
-	shift
-	[ -n "${code}" ] || rwx_log_fatal 1 "No error code"
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_ERROR}" ]; then
-		_rwx_log "[ERROR]" "${@}" >&2
-		return "${code}"
-	fi
-}
-
-rwx_log_fatal() {
-	local code="${1}"
-	shift
-	[ -n "${code}" ] || rwx_log_fatal 1 "No error code"
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_FATAL}" ]; then
-		_rwx_log "[FATAL]" "${@}" >&2
-		exit "${code}"
-	fi
-}
-
-rwx_log_info() {
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_INFO}" ]; then
-		_rwx_log "" "${@}"
-	fi
-}
-
-rwx_log_trace() {
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_TRACE}" ]; then
-		_rwx_log "[TRACE]" "${@}"
-	fi
-}
-
-rwx_log_warn() {
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_WARN}" ]; then
-		_rwx_log "[ WARN]" "${@}"
-	fi
-}
-
-_rwx_log() {
-	local prefix="${1}"
-	shift
-	[ ${#} -gt 0 ] || set -- ""
-	local line
-	for line in "${@}"; do
-		if [ -n "${prefix}" ]; then
-			__rwx_log "${prefix} ${line}"
-		else
-			__rwx_log "${line}"
-		fi
-	done
-}
diff --git a/sh/main.sh b/sh/main.sh
deleted file mode 100644
index 2b3508c..0000000
--- a/sh/main.sh
+++ /dev/null
@@ -1,139 +0,0 @@
-# ╭───────────╮
-# │ constants │
-# ╰───────────╯
-
-RWX_MAIN_NAME="main.sh"
-RWX_SELF_NAME="rwx"
-
-# ╭───────────╮
-# │ variables │
-# ╰───────────╯
-
-RWX_ROOT_USER="${HOME}/${RWX_SELF_NAME}"
-RWX_SHELL="$(cat "/proc/${$}/comm")"
-RWX_SYSTEM_ROOT="/usr/local/lib"
-
-RWX_MAIN_PATH="${RWX_ROOT_SYSTEM}/${RWX_MAIN_NAME}"
-RWX_ROOT_SYSTEM="${RWX_SYSTEM_ROOT}/${RWX_SELF_NAME}"
-
-# ╭──────╮
-# │ core │
-# ╰──────╯
-
-# test if active shell is in interactive mode
-rwx_shell_interactive() {
-	case "${-}" in
-	*i*) ;;
-	*) return 1 ;;
-	esac
-}
-
-# ╭──────┬─────╮
-# │ core │ log │
-# ╰──────┴─────╯
-
-__rwx_log() {
-	if rwx_shell_interactive; then
-		[ ${#} -gt 0 ] || set -- ""
-		local line
-		for line in "${@}"; do
-			echo "${line}"
-		done
-	fi
-}
-
-# ╭──────┬──────╮
-# │ core │ find │
-# ╰──────┴──────╯
-
-# find directory’s files by extension
-rwx_find_extension() {
-	local extension="${1}"
-	local root="${2}"
-	local file="${3}"
-	set -- \
-		"${root}" \
-		-name "*.${extension}" \
-		-type "f"
-	[ -n "${file}" ] &&
-		set -- "${@}" \
-			-not \
-			-name "${file}"
-	find "${@}" \
-		-printf "%P\n" |
-		sort
-}
-
-# find directory’s sh files
-rwx_find_shell() {
-	rwx_find_extension "sh" "${@}"
-}
-
-# ╭──────┬─────╮
-# │ core │ ifs │
-# ╰──────┴─────╯
-
-rwx_ifs_set() {
-	_RWX_IFS="${IFS}"
-	IFS="
-"
-}
-
-rwx_ifs_unset() {
-	IFS="${_RWX_IFS}"
-	unset RWX_IFS
-}
-
-# ╭──────┬────────╮
-# │ core │ source │
-# ╰──────┴────────╯
-
-rwx_source() {
-	local path="${1}"
-	[ -d "${path}" ] ||
-		return 1
-	local count module modules
-	modules="$(rwx_find_shell "${path}" "${RWX_MAIN_NAME}")"
-	rwx_ifs_set
-	count=0
-	__rwx_log "" \
-		". ${path}"
-	for module in ${modules}; do
-		count=$((count + 1))
-		__rwx_log "$(printf "%02d" "${count}") ${module%.sh}"
-		module="${path}/${module}"
-		# shellcheck disable=SC1090
-		. "${module}"
-	done
-	rwx_ifs_unset
-}
-
-# ╭──────┬──────╮
-# │ core │ main │
-# ╰──────┴──────╯
-
-# run initial steps
-rwx_main() {
-	# system root
-	if ! rwx_source "${RWX_ROOT_SYSTEM}"; then
-		__rwx_log "Not a directory: ${RWX_ROOT_SYSTEM}"
-		return 1
-	fi
-	# user root
-	rwx_source "${RWX_ROOT_USER}"
-	# run interactive extras
-	if rwx_shell_interactive; then
-		# check format
-		rwx_log
-		rwx_shfmt "${RWX_ROOT_SYSTEM}"
-		# check syntax
-		rwx_log
-		rwx_shellcheck "${RWX_ROOT_SYSTEM}"
-		# help
-		rwx_log
-		rwx_self_help
-	fi
-}
-
-# run main function
-rwx_main
diff --git a/sh/rescue/common.sh b/sh/rescue/common.sh
deleted file mode 100644
index 4e2684a..0000000
--- a/sh/rescue/common.sh
+++ /dev/null
@@ -1,94 +0,0 @@
-rwx_rescue_configure() {
-	local hostname="${1}"
-	# apt / conf
-	rwx_apt_conf_write
-	# apt / sources
-	rwx_apt_sources_write
-	# bash / rc
-	main_link_bashrc
-	mv "${HOME}/.bashrc" "${HOME}/.bashrc.old"
-	# host name
-	hostname "${hostname}"
-	# locales
-	printf "\
-en_US.UTF-8 UTF-8
-fr_FR.UTF-8 UTF-8
-" >"/etc/locale.gen"
-	# generate locales
-	locale-gen
-	# update catalog
-	rwx_apt_update
-	# disable frontend
-	rwx_debian_frontend_disable
-	# install backports
-	rwx_apt_install_backports "tmux"
-	# install packages
-	rwx_apt_install_release "apt-file" "mosh" "screen" "byobu"
-	# update catalog
-	rwx_apt_update
-}
-
-rwx_rescue_install() {
-	# update catalog
-	rwx_apt_update
-	# disable frontend
-	rwx_debian_frontend_disable
-	# upgrade packages
-	rwx_apt_upgrade
-	# install packages
-	rwx_apt_install_release \
-		"man-db" \
-		"dmidecode" "efibootmgr" "lshw" "pciutils" "usbutils" \
-		"parted" "mdadm" "cryptsetup-bin" "lvm2" \
-		"btrfs-progs" "dosfstools" "duperemove" "squashfs-tools" \
-		"git" "micro" "nano" "python3" "rsync" "vim" \
-		"exa" "lf" "ncdu" "nnn" "ranger" "tree" \
-		"file" "htop" "iotop" "ipcalc" "libdigest-sha3-perl" "lsof"
-	# install backports
-	rwx_apt_install_backports \
-		"grub-pc-bin" \
-		\
-		"grub-efi-amd64-bin"
-}
-
-rwx_rescue_upload() {
-	local host="${1}"
-	local hostname="${2}"
-	if [ -n "${hostname}" ]; then
-		local user="root"
-		#
-		local user_host="${user}@${host}"
-		# remove fingerprints
-		ssh-keygen -R "${host}"
-		# copy ssh id
-		ssh-copy-id \
-			-o "StrictHostKeyChecking=accept-new" \
-			"${user_host}"
-		# upload root
-		rsync --delete --recursive \
-			"$(dirname "${ENV}")" "${user_host}:/etc"
-		# call setup
-		# TODO variable
-		ssh "${user_host}" -- \
-			". \"${ENV}\" ; rwx_rescue_configure \"${hostname}\""
-		# create session
-		ssh "${user_host}" -- byobu new-session -d
-		# send keys
-		ssh "${user_host}" -- byobu send-keys "rwx_rescue_install" "C-m"
-		# attach session
-		mosh "${user_host}" -- byobu attach-session
-	else
-		echo "host & hostname"
-		return 1
-	fi
-}
-
-rwx_rescue_wipe_1_zero() {
-	rwx_fs_wipe "/dev/mapper/crypt" "512M"
-}
-
-rwx_rescue_wipe_3_close() {
-	umount "/media/boot"
-	umount "/media/crypt" &&
-		cryptsetup luksClose "crypt"
-}
diff --git a/sh/rescue/hetzner.sh b/sh/rescue/hetzner.sh
deleted file mode 100644
index 9d22847..0000000
--- a/sh/rescue/hetzner.sh
+++ /dev/null
@@ -1,125 +0,0 @@
-rwx_rescue_wipe_0_init_hetzner_8_8() {
-	local device
-	set \
-		"/dev/sda" \
-		"/dev/sdb"
-	local members
-	local number
-	local passphrase
-	# read passphrase
-	passphrase="$(rwx_read_passphrase)"
-	# warn
-	rwx_warn_wipe "${@}"
-	#
-	number=0
-	for device in "${@}"; do
-		number=$((number + 1))
-		echo
-		echo "#${number}: ${device}"
-		#
-		parted --script "${device}" \
-			mktable gpt \
-			unit "mib" \
-			mkpart "crypt-${number}" 33282 7630885 \
-			mkpart "boot-${number}" 514 33282 \
-			mkpart "esp-${number}" 2 514 \
-			set 3 esp on \
-			mkpart "bios-${number}" 1 2 \
-			set 4 bios_grub on
-	done
-	#
-	number=0
-	for device in "${@}"; do
-		number=$((number + 1))
-		echo
-		echo "#${number}: ${device}4"
-		# wipe bios
-		rwx_fs_wipe "${device}4"
-	done
-	#
-	number=0
-	for device in "${@}"; do
-		number=$((number + 1))
-		echo
-		echo "#${number}: ${device}3"
-		# format esp
-		rwx_fs_wipe "${device}3" "1M"
-		rwx_fs_make_fat "${device}3" "esp-${number}" "0000000${number}"
-		# mount esp
-		mkdir --parents "/media/esp/${number}"
-		mount "${device}3" "/media/esp/${number}"
-	done
-	#
-	number=0
-	for device in "${@}"; do
-		number=$((number + 1))
-		echo
-		echo "#${number}: ${device}2"
-		# wipe boot
-		rwx_fs_wipe "${device}2" "1G" 1
-	done
-	#
-	members=""
-	for device in "${@}"; do
-		members="${members} ${device}2"
-	done
-	rwx_fs_raid_create \
-		"boot" "00000000:00000000:00000000:00000002" ${members}
-	#
-	rwx_fs_make_btrfs "/dev/md/boot" "boot" \
-		"00000000-0000-0000-0000-00000000000b"
-	# mount boot
-	mkdir --parents "/media/boot"
-	mount \
-		--options "autodefrag,compress-force=zstd" \
-		"/dev/md/boot" "/media/boot"
-	#
-	number=0
-	for device in "${@}"; do
-		number=$((number + 1))
-		echo
-		echo "#${number}: ${device}1"
-		# wipe crypt head
-		rwx_fs_wipe "${device}1" "1G" 1
-	done
-	#
-	members=""
-	for device in "${@}"; do
-		members="${members} ${device}1"
-	done
-	rwx_fs_raid_create \
-		"crypt" "00000000:00000000:00000000:00000001" ${members}
-	# encrypt
-	rwx_fs_luks_format "${passphrase}" "/dev/md/crypt"
-	# open
-	echo "${passphrase}" |
-		cryptsetup luksOpen "/dev/md/crypt" "crypt"
-	# passphrase
-	unset passphrase
-}
-
-rwx_rescue_wipe_2_make_hetzner_8_8() {
-	local passphrase
-	# close
-	cryptsetup luksClose "crypt"
-	# read passphrase
-	passphrase="$(rwx_read_passphrase)"
-	# encrypt
-	rwx_fs_luks_format "${passphrase}" "/dev/md/crypt"
-	# open
-	echo "${passphrase}" |
-		cryptsetup luksOpen "/dev/md/crypt" "crypt"
-	# passphrase
-	unset passphrase
-	# format crypt
-	rwx_fs_make_btrfs "/dev/mapper/crypt" "crypt" \
-		"00000000-0000-0000-0000-00000000000c"
-	# mount crypt
-	mkdir --parents "/media/crypt"
-	mount \
-		--options "autodefrag,compress-force=zstd" \
-		"/dev/mapper/crypt" "/media/crypt"
-	# make swap file
-	rwx_fs_make_btrfs_swap "/media/crypt/swap" "64g" \
-		"00000000-0000-0000-0000-000000000005"
-}
diff --git a/sh/rescue/ovh.sh b/sh/rescue/ovh.sh
deleted file mode 100644
index b4120e2..0000000
--- a/sh/rescue/ovh.sh
+++ /dev/null
@@ -1,71 +0,0 @@
-rwx_rescue_wipe_0_init_ovh_vle2() {
-	local device="/dev/sdb"
-	local passphrase
-	# read passphrase
-	passphrase="$(rwx_read_passphrase)"
-	# warn
-	rwx_warn_wipe "${device}"
-	#
-	parted --script "${device}" \
-		mktable gpt \
-		unit "mib" \
-		mkpart "crypt" 4610 40959 \
-		mkpart "boot" 514 4610 \
-		mkpart "esp" 2 514 \
-		set 3 esp on \
-		mkpart bios 1 2 \
-		set 4 bios_grub on
-	# bios / wipe
-	rwx_fs_wipe "${device}4"
-	# esp / wipe
-	rwx_fs_wipe "${device}3" "1M"
-	# esp / format
-	rwx_fs_make_fat "${device}3" "esp" "00000001"
-	# esp / mount
-	mkdir --parents "/media/esp"
-	mount "${device}3" "/media/esp"
-	# boot / wipe
-	rwx_fs_wipe "${device}2" "1G" 1
-	# boot / format
-	rwx_fs_make_btrfs "${device}2" "boot" \
-		"00000000-0000-0000-0000-00000000000b"
-	# boot / mount
-	mkdir --parents "/media/boot"
-	mount --options "autodefrag,compress-force=zstd" \
-		"${device}2" "/media/boot"
-	# crypt / wipe
-	rwx_fs_wipe "${device}1" "1G" 1
-	# crypt / encrypt
-	rwx_fs_luks_format "${passphrase}" "${device}1"
-	# crypt / open
-	echo "${passphrase}" |
-		cryptsetup luksOpen "${device}1" "crypt"
-	# passphrase
-	unset passphrase
-}
-
-rwx_rescue_wipe_2_make_ovh_vle2() {
-	local device="/dev/sdb"
-	local passphrase
-	# crypt / close
-	cryptsetup luksClose "crypt"
-	# read passphrase
-	passphrase="$(rwx_read_passphrase)"
-	# crypt / encrypt
-	rwx_fs_luks_format "${passphrase}" "${device}1"
-	# crypt / open
-	echo "${passphrase}" |
-		cryptsetup luksOpen "${device}1" "crypt"
-	# passphrase
-	unset passphrase
-	# crypt / format
-	rwx_fs_make_btrfs "/dev/mapper/crypt" "crypt" \
-		"00000000-0000-0000-0000-00000000000c"
-	# crypt / mount
-	mkdir --parents "/media/crypt"
-	mount --options "autodefrag,compress-force=zstd" \
-		"/dev/mapper/crypt" "/media/crypt"
-	# crypt / swap
-	rwx_fs_make_btrfs_swap "/media/crypt/swap" "4g" \
-		"00000000-0000-0000-0000-000000000005"
-}
diff --git a/sh/self.sh b/sh/self.sh
deleted file mode 100644
index 4220366..0000000
--- a/sh/self.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-# get functions from file
-rwx_self_functions() {
-	grep \
-		--directories "recurse" \
-		--no-filename \
-		"()" "${RWX_ROOT_SYSTEM}" |
-		cut --delimiter "(" --fields 1
-}
-
-# output help message
-rwx_self_help() {
-	rwx_log \
-		"rwx_… = functions" \
-		" a__… = aliases" \
-		" u__… = user"
-}
diff --git a/sh/shell.sh b/sh/shell.sh
deleted file mode 100644
index 561fcdd..0000000
--- a/sh/shell.sh
+++ /dev/null
@@ -1,125 +0,0 @@
-_rwx_shell_color() {
-	local code="${1}"
-	case "${RWX_SHELL}" in
-	"bash")
-		printf "\x01\e[0"
-		if [ -n "${code}" ]; then
-			printf "%s" ";${code}"
-		fi
-		printf "m\x02"
-		;;
-	*)
-		printf "\033["
-		if [ -n "${code}" ]; then
-			printf "%s" "${code}"
-		else
-			printf "0"
-		fi
-		printf "m"
-		;;
-	esac
-}
-RWX_COLOR_BROWN="$(_rwx_shell_color 33)"
-RWX_COLOR_CYAN="$(_rwx_shell_color 36)"
-RWX_COLOR_DEFAULT="$(_rwx_shell_color)"
-RWX_COLOR_GREEN="$(_rwx_shell_color 31)"
-RWX_COLOR_MAGENTA="$(_rwx_shell_color 35)"
-RWX_COLOR_RED="$(_rwx_shell_color 32)"
-
-rwx_shell_configure() {
-	[ -n "${ENV}" ] || ENV="${RWX_MAIN_PATH}"
-	export ENV
-	# prompt
-	PS1="\$(rwx_shell_prompt \${?})"
-	PS2="├ "
-	# specific
-	case "${RWX_SHELL}" in
-	"bash")
-		# completion
-		local root="/usr/share/bash-completion"
-		local file="bash_completion"
-		local path="${root}/${file}"
-		# shellcheck disable=SC1090
-		[ -f "${path}" ] && . "${path}"
-		root="${root}/completions"
-		if [ -d "${root}" ]; then
-			set \
-				"git" \
-				"tar"
-			for file in "${@}"; do
-				path="${root}/${file}"
-				# shellcheck disable=SC1090
-				[ -f "${path}" ] && . "${path}"
-			done
-		fi
-		# history
-		HISTCONTROL="ignorespace"
-		HISTSIZE=-1
-		HISTTIMEFORMAT="%Y%m%d %H%M%S "
-		;;
-	*) ;;
-	esac
-}
-rwx_shell_configure
-
-rwx_shell_prompt() {
-	local date host id
-	local code="${1}"
-	date="$(date +%H:%M:%S)"
-	local git
-	host="$(hostname)"
-	id="$(id --user)"
-	local path="${PWD}"
-	local user="${USER}"
-	local view="└ "
-	# code
-	if [ "${code}" -ne 0 ]; then
-		view="${view}${RWX_COLOR_GREEN}"
-	else
-		view="${view}${RWX_COLOR_RED}"
-	fi
-	view="${view}${code}"
-	# date
-	view="${view}${RWX_COLOR_DEFAULT} @ "
-	view="${view}${RWX_COLOR_BROWN}${date}"
-	# git
-	if command -v "__git_ps1" >"/dev/null"; then
-		git="$(__git_ps1)"
-		if [ -n "${git}" ]; then
-			view="${view}${RWX_COLOR_DEFAULT} –${RWX_COLOR_MAGENTA}${git}"
-		fi
-	fi
-	# new
-	view="${view}\\n"
-	# path
-	view="${view}${RWX_COLOR_CYAN}${path}"
-	# new
-	view="${view}\\n"
-	# frame
-	view="${view}${RWX_COLOR_DEFAULT}┌ "
-	# user
-	if [ "${id}" -eq 0 ]; then
-		view="${view}${RWX_COLOR_GREEN}"
-	else
-		view="${view}${RWX_COLOR_RED}"
-	fi
-	view="${view}${user}"
-	# host
-	view="${view}${RWX_COLOR_DEFAULT} @ "
-	view="${view}${RWX_COLOR_BROWN}${host}"
-	# new
-	view="${view}\\n"
-	# prompt
-	view="${view}${RWX_COLOR_DEFAULT}${PS2}"
-	# print
-	printf "%b" "${view}"
-}
-
-rwx_shell_setup() {
-	# shell
-	echo "export ENV=\"${ENV}\"" >"/etc/profile.d/${RWX_SELF_NAME}.sh"
-	# bash
-	local file="/etc/bash.bashrc"
-	rm --force --recursive "${file}"
-	ln --symbolic "${ENV}" "${file}"
-}
diff --git a/sh/util.sh b/sh/util.sh
deleted file mode 100644
index 7d9cc3f..0000000
--- a/sh/util.sh
+++ /dev/null
@@ -1,37 +0,0 @@
-rwx_list_block_devices() {
-	lsblk \
-		--noempty \
-		--output "NAME,SIZE,TYPE,FSTYPE,LABEL,MOUNTPOINTS"
-}
-
-rwx_not() {
-	case "${1}" in
-	"false") echo "true" ;;
-	"true") echo "false" ;;
-	*) ;;
-	esac
-}
-
-rwx_read_passphrase() {
-	rwx_read_secret "PassPhrase: "
-}
-
-rwx_read_secret() {
-	local prompt="${1}"
-	local secret
-	printf "%s" "${prompt}" 1>&2
-	stty -echo
-	read -r secret
-	stty echo
-	echo >&2
-	echo "${secret}"
-	unset secret
-}
-
-rwx_warn_wipe() {
-	local tmp
-	rwx_list_block_devices
-	printf "%s" "WIPE ${*} /?\\ OR CANCEL /!\\"
-	read -r tmp
-	rwx_log_trace "${tmp}"
-}