diff --git a/sh/alias/git.sh b/sh/alias/git.sh
index fe5380a..35402d9 100644
--- a/sh/alias/git.sh
+++ b/sh/alias/git.sh
@@ -1,10 +1,8 @@
 RWX_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
+A %C(green)%ai %an %ae
+C %C(blue)%ci %cn %ce
 %B"
 
 # add to index
diff --git a/sh/file.sh b/sh/file.sh
new file mode 100644
index 0000000..becca76
--- /dev/null
+++ b/sh/file.sh
@@ -0,0 +1,26 @@
+# ╭──────╮
+# │ file │
+# ╰──────╯
+
+rwx_file_append() {
+	local file="${1}"
+	local text="${2}"
+	if [ -n "${file}" ]; then
+		printf "%s" "${text}" >>"${file}"
+	fi
+}
+
+rwx_file_empty() {
+	local file="${1}"
+	if [ -n "${file}" ]; then
+		rwx_file_write "${file}" ""
+	fi
+}
+
+rwx_file_write() {
+	local file="${1}"
+	local text="${2}"
+	if [ -n "${file}" ]; then
+		printf "%s" "${text}" >"${file}"
+	fi
+}
diff --git a/sh/log/log.sh b/sh/log/log.sh
index b921d45..a3013e8 100644
--- a/sh/log/log.sh
+++ b/sh/log/log.sh
@@ -1,3 +1,11 @@
+# ╭─────╮
+# │ log │
+# ╰─────╯
+
+# ╭─────┬───────────╮
+# │ log │ constants │
+# ╰─────┴───────────╯
+
 RWX_LOG_LEVEL_FATAL=0
 RWX_LOG_LEVEL_ERROR=1
 RWX_LOG_LEVEL_WARN=2
@@ -5,8 +13,16 @@ RWX_LOG_LEVEL_INFO=3
 RWX_LOG_LEVEL_DEBUG=4
 RWX_LOG_LEVEL_TRACE=5
 
+# ╭─────┬───────────╮
+# │ log │ variables │
+# ╰─────┴───────────╯
+
 RWX_LOG_LEVEL=${RWX_LOG_LEVEL_INFO}
 
+# ╭─────┬─────╮
+# │ log │ log │
+# ╰─────┴─────╯
+
 rwx_log() { rwx_log_info "${@}"; }
 
 rwx_log_debug() {
diff --git a/sh/main.sh b/sh/main.sh
index 40fbf17..63ca6bf 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -1,5 +1,9 @@
 #! /usr/bin/env sh
 
+# ╭──────╮
+# │ main │
+# ╰──────╯
+
 # ╭──────┬───────────╮
 # │ main │ constants │
 # ╰──────┴───────────╯
@@ -27,16 +31,50 @@ RWX_SELF_USER="${HOME}/${RWX_SELF_NAME}"
 
 RWX_MAIN_PATH="${RWX_ROOT_SYSTEM}/${RWX_MAIN_NAME}"
 
-# ╭──────┬───────╮
-# │ main │ shell │
-# ╰──────┴───────╯
+# ╭──────┬──────╮
+# │ main │ main │
+# ╰──────┴──────╯
 
-# test if active shell is in interactive mode
-rwx_shell_interactive() {
-	case "${-}" in
-	*i*) ;;
-	*) return 1 ;;
-	esac
+# run initial steps
+rwx_main() {
+	# source system root
+	if ! rwx_source "${RWX_ROOT_SYSTEM}"; then
+		__rwx_log "Not a directory: ${RWX_ROOT_SYSTEM}"
+		return 1
+	fi
+	# source user root
+	rwx_source "${RWX_SELF_USER}"
+	# context / command
+	if [ -n "${RWX_COMMAND_NAME}" ]; then
+		"${RWX_SELF_COMMAND}${RWX_COMMAND_NAME}" "${@}"
+	# context / shell
+	else
+		rwx_self_init
+	fi
+}
+
+# ╭──────┬────────╮
+# │ main │ source │
+# ╰──────┴────────╯
+
+# source code from file path
+rwx_source() {
+	local path="${1}"
+	[ -d "${path}" ] ||
+		return 1
+	local count module
+	count=0
+	__rwx_log "" \
+		". ${path}"
+	rwx_ifs_set
+	for module in $(rwx_find_shell "${path}" "${RWX_MAIN_NAME}"); do
+		count=$((count + 1))
+		__rwx_log "$(printf "%02d" "${count}") ${module%.sh}"
+		module="${path}/${module}"
+		# shellcheck disable=SC1090
+		. "${module}"
+	done
+	rwx_ifs_unset
 }
 
 # ╭──────┬─────╮
@@ -53,6 +91,35 @@ __rwx_log() {
 	fi
 }
 
+# ╭──────┬───────╮
+# │ main │ shell │
+# ╰──────┴───────╯
+
+# test if active shell is in interactive mode
+rwx_shell_interactive() {
+	case "${-}" in
+	*i*) ;;
+	*) return 1 ;;
+	esac
+}
+
+# ╭──────┬─────╮
+# │ main │ ifs │
+# ╰──────┴─────╯
+
+# set internal field separator to line feed
+rwx_ifs_set() {
+	_RWX_IFS="${IFS}"
+	IFS="
+"
+}
+
+# unset internal field separator
+rwx_ifs_unset() {
+	IFS="${_RWX_IFS}"
+	unset RWX_IFS
+}
+
 # ╭──────┬──────╮
 # │ main │ find │
 # ╰──────┴──────╯
@@ -81,67 +148,8 @@ rwx_find_shell() {
 }
 
 # ╭──────┬─────╮
-# │ main │ ifs │
+# │ main │ run │
 # ╰──────┴─────╯
 
-# set internal field separator to line feed
-rwx_ifs_set() {
-	_RWX_IFS="${IFS}"
-	IFS="
-"
-}
-
-# unset internal field separator
-rwx_ifs_unset() {
-	IFS="${_RWX_IFS}"
-	unset RWX_IFS
-}
-
-# ╭──────┬────────╮
-# │ main │ source │
-# ╰──────┴────────╯
-
-# source code from file path
-rwx_source() {
-	local path="${1}"
-	[ -d "${path}" ] ||
-		return 1
-	local count module
-	count=0
-	__rwx_log "" \
-		". ${path}"
-	rwx_ifs_set
-	for module in $(rwx_find_shell "${path}" "${RWX_MAIN_NAME}"); do
-		count=$((count + 1))
-		__rwx_log "$(printf "%02d" "${count}") ${module%.sh}"
-		module="${path}/${module}"
-		# shellcheck disable=SC1090
-		. "${module}"
-	done
-	rwx_ifs_unset
-}
-
-# ╭──────╮
-# │ 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_SELF_USER}"
-	# context / command
-	if [ -n "${RWX_COMMAND_NAME}" ]; then
-		"${RWX_SELF_COMMAND}${RWX_COMMAND_NAME}" "${@}"
-	# context / shell
-	else
-		rwx_self_init
-	fi
-}
-
 # run main function
 rwx_main "${@}"
diff --git a/sh/tmux.sh b/sh/tmux.sh
index 0294e7f..a29ec26 100644
--- a/sh/tmux.sh
+++ b/sh/tmux.sh
@@ -1,3 +1,7 @@
+# ╭──────╮
+# │ tmux │
+# ╰──────╯
+
 # ╭──────┬───────╮
 # │ tmux │ setup │
 # ╰──────┴───────╯
diff --git a/sh/util.sh b/sh/util.sh
index cbcd67a..a3c53bf 100644
--- a/sh/util.sh
+++ b/sh/util.sh
@@ -1,25 +1,6 @@
-rwx_file_append() {
-	local file="${1}"
-	local text="${2}"
-	if [ -n "${file}" ]; then
-		printf "%s" "${text}" >>"${file}"
-	fi
-}
-
-rwx_file_empty() {
-	local file="${1}"
-	if [ -n "${file}" ]; then
-		rwx_file_write "${file}" ""
-	fi
-}
-
-rwx_file_write() {
-	local file="${1}"
-	local text="${2}"
-	if [ -n "${file}" ]; then
-		printf "%s" "${text}" >"${file}"
-	fi
-}
+# ╭──────╮
+# │ util │
+# ╰──────╯
 
 rwx_link() {
 	local link="${1}"