diff --git a/cidd.sh b/cidd.sh
index af48a0c..b5399a9 100644
--- a/cidd.sh
+++ b/cidd.sh
@@ -1,11 +1,11 @@
 #! /usr/bin/env sh
 
 # defaults
-[ -n "${CD_DNS}" ] || CD_DNS="\
+[ -n "${CIDD_DNS}" ] || CIDD_DNS="\
 9.9.9.9 \
 "
-[ -n "${CD_GIT_CHILD}" ] || CD_GIT_CHILD="cd"
-[ -n "${CD_GIT_PARENT}" ] || CD_GIT_PARENT="rwx"
+[ -n "${CIDD_GIT_CHILD}" ] || CIDD_GIT_CHILD="cd"
+[ -n "${CIDD_GIT_PARENT}" ] || CIDD_GIT_PARENT="rwx"
 
 # main
 cd_main () {
@@ -41,136 +41,136 @@ cd_main () {
 cd_set_environment_variables () {
     cd_step "Set environment variables"
     # set path
-    CD_PATH="$(realpath "${0}")"
-    cd_echo "CD_PATH"
+    CIDD_PATH="$(realpath "${0}")"
+    cd_echo "CIDD_PATH"
     # set operating system id
-    CD_OS_ID="$(cd_grep_os ID)"
-    case "${CD_OS_ID}" in
-        "almalinux") CD_OS_ID="${CD_OS_ALMA}" ;;
-        "alpine") CD_OS_ID="${CD_OS_ALPINE}" ;;
-        "arch") CD_OS_ID="${CD_OS_ARCH}" ;;
-        "debian") CD_OS_ID="${CD_OS_DEBIAN}" ;;
-        "fedora") CD_OS_ID="${CD_OS_FEDORA}" ;;
-        "rocky") CD_OS_ID="${CD_OS_ROCKY}" ;;
-        "ubuntu") CD_OS_ID="${CD_OS_UBUNTU}" ;;
-        *) cd_error_os "CD_OS_ID" ;;
+    CIDD_OS_ID="$(cd_grep_os ID)"
+    case "${CIDD_OS_ID}" in
+        "almalinux") CIDD_OS_ID="${CIDD_OS_ALMA}" ;;
+        "alpine") CIDD_OS_ID="${CIDD_OS_ALPINE}" ;;
+        "arch") CIDD_OS_ID="${CIDD_OS_ARCH}" ;;
+        "debian") CIDD_OS_ID="${CIDD_OS_DEBIAN}" ;;
+        "fedora") CIDD_OS_ID="${CIDD_OS_FEDORA}" ;;
+        "rocky") CIDD_OS_ID="${CIDD_OS_ROCKY}" ;;
+        "ubuntu") CIDD_OS_ID="${CIDD_OS_UBUNTU}" ;;
+        *) cd_error_os "CIDD_OS_ID" ;;
     esac
     # set operating system version
-    case "${CD_OS_ID}" in
-        "${CD_OS_ALMA}"|"${CD_OS_ARCH}"|"${CD_OS_FEDORA}"|"${CD_OS_ROCKY}")
-            CD_OS_VERSION=$(cd_grep_os VERSION_ID \
+    case "${CIDD_OS_ID}" in
+        "${CIDD_OS_ALMA}"|"${CIDD_OS_ARCH}"|"${CIDD_OS_FEDORA}"|"${CIDD_OS_ROCKY}")
+            CIDD_OS_VERSION=$(cd_grep_os VERSION_ID \
                 | sed "s|^\([0-9]\+\)\..*|\1|")
         ;;
-        "${CD_OS_ALPINE}")
-            CD_OS_VERSION=$(cd_grep_os VERSION_ID \
+        "${CIDD_OS_ALPINE}")
+            CIDD_OS_VERSION=$(cd_grep_os VERSION_ID \
                 | sed "s|^\([0-9]\+\.[0-9]\+\)\..*|\1|")
         ;;
-        "${CD_OS_DEBIAN}"|"${CD_OS_UBUNTU}")
-            CD_OS_VERSION="$(cd_grep_os VERSION_CODENAME)"
+        "${CIDD_OS_DEBIAN}"|"${CIDD_OS_UBUNTU}")
+            CIDD_OS_VERSION="$(cd_grep_os VERSION_CODENAME)"
         ;;
         *)
     esac
     # check operating system version
-    case "${CD_OS_ID}" in
-        "${CD_OS_ALMA}"|"${CD_OS_ROCKY}")
-            case "${CD_OS_VERSION}" in
+    case "${CIDD_OS_ID}" in
+        "${CIDD_OS_ALMA}"|"${CIDD_OS_ROCKY}")
+            case "${CIDD_OS_VERSION}" in
                 "8"|"9") ;;
-                *) cd_error_os "CD_OS_VERSION" ;;
+                *) cd_error_os "CIDD_OS_VERSION" ;;
             esac
         ;;
-        "${CD_OS_ALPINE}")
-            case "${CD_OS_VERSION}" in
+        "${CIDD_OS_ALPINE}")
+            case "${CIDD_OS_VERSION}" in
                 "3.18"|"3.19") ;;
-                *) cd_error_os "CD_OS_VERSION" ;;
+                *) cd_error_os "CIDD_OS_VERSION" ;;
             esac
         ;;
-        "${CD_OS_ARCH}")
-            case "${CD_OS_VERSION}" in
+        "${CIDD_OS_ARCH}")
+            case "${CIDD_OS_VERSION}" in
                 "20231112"|"20240101") ;;
-                *) cd_error_os "CD_OS_VERSION" ;;
+                *) cd_error_os "CIDD_OS_VERSION" ;;
             esac
         ;;
-        "${CD_OS_DEBIAN}")
-            case "${CD_OS_VERSION}" in
+        "${CIDD_OS_DEBIAN}")
+            case "${CIDD_OS_VERSION}" in
                 "bookworm"|"bullseye") ;;
-                *) cd_error_os "CD_OS_VERSION" ;;
+                *) cd_error_os "CIDD_OS_VERSION" ;;
             esac
         ;;
-        "${CD_OS_FEDORA}")
-            case "${CD_OS_VERSION}" in
+        "${CIDD_OS_FEDORA}")
+            case "${CIDD_OS_VERSION}" in
                 "39"|"40") ;;
-                *) cd_error_os "CD_OS_VERSION" ;;
+                *) cd_error_os "CIDD_OS_VERSION" ;;
             esac
         ;;
-        "${CD_OS_UBUNTU}")
-            case "${CD_OS_VERSION}" in
+        "${CIDD_OS_UBUNTU}")
+            case "${CIDD_OS_VERSION}" in
                 "jammy"|"noble") ;;
-                *) cd_error_os "CD_OS_VERSION" ;;
+                *) cd_error_os "CIDD_OS_VERSION" ;;
             esac
         ;;
         *)
     esac
     cd_split
-    cd_echo "CD_OS_ID" "CD_OS_VERSION"
+    cd_echo "CIDD_OS_ID" "CIDD_OS_VERSION"
     # universal
-    CD_DNS_FILE="/etc/resolv.conf"
-    CD_PKG_CA="ca-certificates"
-    CD_PKG_GIT="git"
+    CIDD_DNS_FILE="/etc/resolv.conf"
+    CIDD_PKG_CA="ca-certificates"
+    CIDD_PKG_GIT="git"
     # TODO move to Python
-    CD_PKG_RSYNC="rsync"
-    CD_PYTHON_ALIAS="python3"
+    CIDD_PKG_RSYNC="rsync"
+    CIDD_PYTHON_ALIAS="python3"
     cd_split
-    cd_echo "CD_DNS_FILE" "CD_PKG_CA" "CD_PKG_GIT" "CD_PYTHON_ALIAS"
+    cd_echo "CIDD_DNS_FILE" "CIDD_PKG_CA" "CIDD_PKG_GIT" "CIDD_PYTHON_ALIAS"
     # set ca command & root
-    case "${CD_OS_ID}" in
-        "${CD_OS_ALMA}"|"${CD_OS_FEDORA}"|"${CD_OS_ROCKY}")
-            CD_CA_ROOT="/etc/pki/ca-trust/source/anchors"
-            CD_CMD_CA="update-ca-trust"
+    case "${CIDD_OS_ID}" in
+        "${CIDD_OS_ALMA}"|"${CIDD_OS_FEDORA}"|"${CIDD_OS_ROCKY}")
+            CIDD_CA_ROOT="/etc/pki/ca-trust/source/anchors"
+            CIDD_CMD_CA="update-ca-trust"
         ;;
-        "${CD_OS_ALPINE}")
-            CD_CA_ROOT="/usr/local/share/ca-certificates"
-            CD_CMD_CA="update-ca-certificates"
+        "${CIDD_OS_ALPINE}")
+            CIDD_CA_ROOT="/usr/local/share/ca-certificates"
+            CIDD_CMD_CA="update-ca-certificates"
         ;;
-        "${CD_OS_ARCH}")
-            CD_CA_ROOT="/etc/ca-certificates/trust-source/anchors"
-            CD_CMD_CA="update-ca-trust"
+        "${CIDD_OS_ARCH}")
+            CIDD_CA_ROOT="/etc/ca-certificates/trust-source/anchors"
+            CIDD_CMD_CA="update-ca-trust"
         ;;
-        "${CD_OS_DEBIAN}"|"${CD_OS_UBUNTU}")
-            CD_CA_ROOT="/usr/local/share/ca-certificates"
-            CD_CMD_CA="update-ca-certificates"
+        "${CIDD_OS_DEBIAN}"|"${CIDD_OS_UBUNTU}")
+            CIDD_CA_ROOT="/usr/local/share/ca-certificates"
+            CIDD_CMD_CA="update-ca-certificates"
         ;;
         *)
     esac
     cd_split
-    cd_echo "CD_CA_ROOT" "CD_CMD_CA"
+    cd_echo "CIDD_CA_ROOT" "CIDD_CMD_CA"
     # set package manager
-    case "${CD_OS_ID}" in
-        "${CD_OS_ALPINE}")
-            CD_PM="${CD_PM_APK}"
+    case "${CIDD_OS_ID}" in
+        "${CIDD_OS_ALPINE}")
+            CIDD_PM="${CIDD_PM_APK}"
         ;;
-        "${CD_OS_DEBIAN}"|"${CD_OS_UBUNTU}")
-            CD_PM="${CD_PM_APT}"
+        "${CIDD_OS_DEBIAN}"|"${CIDD_OS_UBUNTU}")
+            CIDD_PM="${CIDD_PM_APT}"
         ;;
-        "${CD_OS_ALMA}"|"${CD_OS_FEDORA}"|"${CD_OS_ROCKY}")
-            CD_PM="${CD_PM_DNF}"
+        "${CIDD_OS_ALMA}"|"${CIDD_OS_FEDORA}"|"${CIDD_OS_ROCKY}")
+            CIDD_PM="${CIDD_PM_DNF}"
         ;;
-        "${CD_OS_ARCH}")
-            CD_PM="${CD_PM_PACMAN}"
+        "${CIDD_OS_ARCH}")
+            CIDD_PM="${CIDD_PM_PACMAN}"
         ;;
         *)
     esac
     cd_split
-    cd_echo "CD_PM"
-    case "${CD_PM}" in
-        "${CD_PM_DNF}")
-            CD_PM_CLEAN="dnf clean all"
-            CD_PM_INSTALL="dnf install --assumeyes"
-            CD_PM_QUERY="rpm --query"
-            CD_PM_UPDATE="dnf makecache"
-            CD_PM_UPGRADE="dnf upgrade --assumeyes"
-            CD_PKG_PKG=""
-            CD_PM_CONF_PATH="/etc/dnf/dnf.conf"
-            CD_PM_CONF_TEXT="\
+    cd_echo "CIDD_PM"
+    case "${CIDD_PM}" in
+        "${CIDD_PM_DNF}")
+            CIDD_PM_CLEAN="dnf clean all"
+            CIDD_PM_INSTALL="dnf install --assumeyes"
+            CIDD_PM_QUERY="rpm --query"
+            CIDD_PM_UPDATE="dnf makecache"
+            CIDD_PM_UPGRADE="dnf upgrade --assumeyes"
+            CIDD_PKG_PKG=""
+            CIDD_PM_CONF_PATH="/etc/dnf/dnf.conf"
+            CIDD_PM_CONF_TEXT="\
 [main]
 best=True
 clean_requirements_on_remove=True
@@ -178,209 +178,209 @@ gpgcheck=1
 installonly_limit=3
 skip_if_unavailable=False
 "
-            CD_PM_HTTPS_PATH="/etc/dnf/dnf.conf.d/https.conf"
-            CD_PM_HTTPS_TEXT="\
+            CIDD_PM_HTTPS_PATH="/etc/dnf/dnf.conf.d/https.conf"
+            CIDD_PM_HTTPS_TEXT="\
 sslverify=False
 "
         ;;
-        "${CD_PM_APK}")
-            CD_PM_CLEAN="apk cache purge"
-            CD_PM_INSTALL="apk add"
-            CD_PM_QUERY="apk info"
-            CD_PM_UPDATE="apk update"
-            CD_PM_UPGRADE="apk upgrade"
-            CD_PKG_PKG=""
-            CD_PM_CONF_PATH=""
-            CD_PM_CONF_TEXT=""
-            CD_PM_HTTPS_PATH="/etc/apk/repositories.d/https"
-            CD_PM_HTTPS_TEXT="\
+        "${CIDD_PM_APK}")
+            CIDD_PM_CLEAN="apk cache purge"
+            CIDD_PM_INSTALL="apk add"
+            CIDD_PM_QUERY="apk info"
+            CIDD_PM_UPDATE="apk update"
+            CIDD_PM_UPGRADE="apk upgrade"
+            CIDD_PKG_PKG=""
+            CIDD_PM_CONF_PATH=""
+            CIDD_PM_CONF_TEXT=""
+            CIDD_PM_HTTPS_PATH="/etc/apk/repositories.d/https"
+            CIDD_PM_HTTPS_TEXT="\
 --no-verify
 "
         ;;
-        "${CD_PM_PACMAN}")
-            CD_PM_CLEAN="pacman --sync --clean --noconfirm"
-            CD_PM_INSTALL="pacman --sync --noconfirm"
-            CD_PM_QUERY="pacman --query"
-            CD_PM_UPDATE="pacman --sync --refresh"
-            CD_PM_UPGRADE="pacman --sync --sysupgrade --noconfirm"
-            CD_PKG_PKG=""
-            CD_PM_CONF_PATH=""
-            CD_PM_CONF_TEXT=""
-            CD_PM_HTTPS_PATH="/etc/pacman.d/https.conf"
-            CD_PM_HTTPS_TEXT="\
+        "${CIDD_PM_PACMAN}")
+            CIDD_PM_CLEAN="pacman --sync --clean --noconfirm"
+            CIDD_PM_INSTALL="pacman --sync --noconfirm"
+            CIDD_PM_QUERY="pacman --query"
+            CIDD_PM_UPDATE="pacman --sync --refresh"
+            CIDD_PM_UPGRADE="pacman --sync --sysupgrade --noconfirm"
+            CIDD_PKG_PKG=""
+            CIDD_PM_CONF_PATH=""
+            CIDD_PM_CONF_TEXT=""
+            CIDD_PM_HTTPS_PATH="/etc/pacman.d/https.conf"
+            CIDD_PM_HTTPS_TEXT="\
 SSLVerify = No
 "
         ;;
-        "${CD_PM_APT}")
-            CD_PM_CLEAN="apt-get clean"
-            CD_PM_INSTALL="apt-get install --assume-yes"
-            CD_PM_QUERY="dpkg-query --show"
-            CD_PM_UPDATE="apt-get update"
-            CD_PM_UPGRADE="apt-get upgrade --assume-yes"
-            CD_PKG_PKG="apt-utils"
-            CD_PM_CONF_PATH="/etc/apt/apt.conf.d/apt.conf"
-            CD_PM_CONF_TEXT="\
+        "${CIDD_PM_APT}")
+            CIDD_PM_CLEAN="apt-get clean"
+            CIDD_PM_INSTALL="apt-get install --assume-yes"
+            CIDD_PM_QUERY="dpkg-query --show"
+            CIDD_PM_UPDATE="apt-get update"
+            CIDD_PM_UPGRADE="apt-get upgrade --assume-yes"
+            CIDD_PKG_PKG="apt-utils"
+            CIDD_PM_CONF_PATH="/etc/apt/apt.conf.d/apt.conf"
+            CIDD_PM_CONF_TEXT="\
 Acquire::Check-Valid-Until True;
 APT::Get::Show-Versions True;
 APT::Install-Recommends False;
 APT::Install-Suggests False;
 Dir::Etc::SourceParts \"\";
 "
-            CD_PM_HTTPS_PATH="/etc/apt/apt.conf.d/https"
-            CD_PM_HTTPS_TEXT="\
+            CIDD_PM_HTTPS_PATH="/etc/apt/apt.conf.d/https"
+            CIDD_PM_HTTPS_TEXT="\
 Acquire::https::Verify-Peer False;
 "
         ;;
         *)
     esac
     cd_split
-    cd_echo "CD_PM_CLEAN" \
-        "CD_PM_INSTALL" "CD_PM_QUERY" "CD_PM_UPDATE" "CD_PM_UPGRADE"
+    cd_echo "CIDD_PM_CLEAN" \
+        "CIDD_PM_INSTALL" "CIDD_PM_QUERY" "CIDD_PM_UPDATE" "CIDD_PM_UPGRADE"
     cd_split
-    cd_echo "CD_PKG_PKG" "CD_PM_CONF_PATH" "CD_PM_HTTPS_PATH"
+    cd_echo "CIDD_PKG_PKG" "CIDD_PM_CONF_PATH" "CIDD_PM_HTTPS_PATH"
     # specific
-    case "${CD_OS_ID}" in
-        "${CD_OS_ALMA}")
-            CD_URL_DEFAULT="https://repo.almalinux.org/almalinux"
+    case "${CIDD_OS_ID}" in
+        "${CIDD_OS_ALMA}")
+            CIDD_URL_DEFAULT="https://repo.almalinux.org/almalinux"
         ;;
-        "${CD_OS_ALPINE}")
-            CD_URL_DEFAULT="https://dl-cdn.alpinelinux.org/alpine"
+        "${CIDD_OS_ALPINE}")
+            CIDD_URL_DEFAULT="https://dl-cdn.alpinelinux.org/alpine"
         ;;
-        "${CD_OS_ARCH}")
-            CD_URL_DEFAULT="https://geo.mirror.pkgbuild.com"
+        "${CIDD_OS_ARCH}")
+            CIDD_URL_DEFAULT="https://geo.mirror.pkgbuild.com"
         ;;
-        "${CD_OS_DEBIAN}")
-            CD_URL_DEFAULT="http://deb.debian.org/debian"
+        "${CIDD_OS_DEBIAN}")
+            CIDD_URL_DEFAULT="http://deb.debian.org/debian"
         ;;
-        "${CD_OS_FEDORA}")
-            CD_URL_DEFAULT="http://download.example/pub/fedora/linux/releases"
+        "${CIDD_OS_FEDORA}")
+            CIDD_URL_DEFAULT="http://download.example/pub/fedora/linux/releases"
         ;;
-        "${CD_OS_ROCKY}")
-            CD_URL_DEFAULT="http://dl.rockylinux.org/\$contentdir"
+        "${CIDD_OS_ROCKY}")
+            CIDD_URL_DEFAULT="http://dl.rockylinux.org/\$contentdir"
         ;;
-        "${CD_OS_UBUNTU}")
-            CD_URL_DEFAULT="http://archive.ubuntu.com/ubuntu"
+        "${CIDD_OS_UBUNTU}")
+            CIDD_URL_DEFAULT="http://archive.ubuntu.com/ubuntu"
         ;;
         *)
     esac
-    CD_URL_CHOSEN="${CD_URL_DEFAULT}"
-    case "${CD_OS_ID}" in
-        "${CD_OS_ALMA}")
-            [ -n "${CD_URL_ALMA}" ] && CD_URL_CHOSEN="${CD_URL_ALMA}"
+    CIDD_URL_CHOSEN="${CIDD_URL_DEFAULT}"
+    case "${CIDD_OS_ID}" in
+        "${CIDD_OS_ALMA}")
+            [ -n "${CIDD_URL_ALMA}" ] && CIDD_URL_CHOSEN="${CIDD_URL_ALMA}"
         ;;
-        "${CD_OS_ALPINE}")
-            [ -n "${CD_URL_ALPINE}" ] && CD_URL_CHOSEN="${CD_URL_ALPINE}"
+        "${CIDD_OS_ALPINE}")
+            [ -n "${CIDD_URL_ALPINE}" ] && CIDD_URL_CHOSEN="${CIDD_URL_ALPINE}"
         ;;
-        "${CD_OS_ARCH}")
-            [ -n "${CD_URL_ARCH}" ] && CD_URL_CHOSEN="${CD_URL_ARCH}"
+        "${CIDD_OS_ARCH}")
+            [ -n "${CIDD_URL_ARCH}" ] && CIDD_URL_CHOSEN="${CIDD_URL_ARCH}"
         ;;
-        "${CD_OS_DEBIAN}")
-            [ -n "${CD_URL_DEBIAN}" ] && CD_URL_CHOSEN="${CD_URL_DEBIAN}" \
-            || CD_URL_CHOSEN="https://deb.debian.org/debian"
+        "${CIDD_OS_DEBIAN}")
+            [ -n "${CIDD_URL_DEBIAN}" ] && CIDD_URL_CHOSEN="${CIDD_URL_DEBIAN}" \
+            || CIDD_URL_CHOSEN="https://deb.debian.org/debian"
         ;;
-        "${CD_OS_FEDORA}")
-            [ -n "${CD_URL_FEDORA}" ] && CD_URL_CHOSEN="${CD_URL_FEDORA}" \
-            || CD_URL_CHOSEN="https://rpmfind.net/linux/fedora/linux/releases"
+        "${CIDD_OS_FEDORA}")
+            [ -n "${CIDD_URL_FEDORA}" ] && CIDD_URL_CHOSEN="${CIDD_URL_FEDORA}" \
+            || CIDD_URL_CHOSEN="https://rpmfind.net/linux/fedora/linux/releases"
         ;;
-        "${CD_OS_ROCKY}")
-            [ -n "${CD_URL_ROCKY}" ] && CD_URL_CHOSEN="${CD_URL_ROCKY}" \
-            || CD_URL_CHOSEN="https://dl.rockylinux.org/\$contentdir"
+        "${CIDD_OS_ROCKY}")
+            [ -n "${CIDD_URL_ROCKY}" ] && CIDD_URL_CHOSEN="${CIDD_URL_ROCKY}" \
+            || CIDD_URL_CHOSEN="https://dl.rockylinux.org/\$contentdir"
         ;;
-        "${CD_OS_UBUNTU}")
-            [ -n "${CD_URL_UBUNTU}" ] && CD_URL_CHOSEN="${CD_URL_UBUNTU}" \
-            || CD_URL_CHOSEN="https://ubuntu.mirrors.ovh.net/ubuntu"
+        "${CIDD_OS_UBUNTU}")
+            [ -n "${CIDD_URL_UBUNTU}" ] && CIDD_URL_CHOSEN="${CIDD_URL_UBUNTU}" \
+            || CIDD_URL_CHOSEN="https://ubuntu.mirrors.ovh.net/ubuntu"
         ;;
         *)
     esac
     cd_split
-    cd_echo "CD_URL_DEFAULT" "CD_URL_CHOSEN"
+    cd_echo "CIDD_URL_DEFAULT" "CIDD_URL_CHOSEN"
     # set python command & package
-    case "${CD_OS_ID}" in
-        "${CD_OS_ALMA}"|"${CD_OS_ROCKY}")
-            CD_PYTHON_COMMAND="python3.11"
-            CD_PYTHON_PACKAGE="python3.11"
+    case "${CIDD_OS_ID}" in
+        "${CIDD_OS_ALMA}"|"${CIDD_OS_ROCKY}")
+            CIDD_PYTHON_COMMAND="python3.11"
+            CIDD_PYTHON_PACKAGE="python3.11"
         ;;
-        "${CD_OS_ALPINE}")
-            CD_PYTHON_COMMAND="python3.11"
-            CD_PYTHON_PACKAGE="python3"
+        "${CIDD_OS_ALPINE}")
+            CIDD_PYTHON_COMMAND="python3.11"
+            CIDD_PYTHON_PACKAGE="python3"
         ;;
-        "${CD_OS_ARCH}")
-            CD_PYTHON_COMMAND="python3.12"
-            CD_PYTHON_PACKAGE="python"
+        "${CIDD_OS_ARCH}")
+            CIDD_PYTHON_COMMAND="python3.12"
+            CIDD_PYTHON_PACKAGE="python"
         ;;
-        "${CD_OS_DEBIAN}")
-            case "${CD_OS_VERSION}" in
-                "bookworm") CD_PYTHON_COMMAND="python3.11" ;;
-                "bullseye") CD_PYTHON_COMMAND="python3.9" ;;
+        "${CIDD_OS_DEBIAN}")
+            case "${CIDD_OS_VERSION}" in
+                "bookworm") CIDD_PYTHON_COMMAND="python3.11" ;;
+                "bullseye") CIDD_PYTHON_COMMAND="python3.9" ;;
                 *)
             esac
-            CD_PYTHON_PACKAGE="python3"
+            CIDD_PYTHON_PACKAGE="python3"
         ;;
-        "${CD_OS_FEDORA}")
-            CD_PYTHON_COMMAND="python3.12"
-            CD_PYTHON_PACKAGE="python3"
+        "${CIDD_OS_FEDORA}")
+            CIDD_PYTHON_COMMAND="python3.12"
+            CIDD_PYTHON_PACKAGE="python3"
         ;;
-        "${CD_OS_UBUNTU}")
-            case "${CD_OS_VERSION}" in
-                "noble") CD_PYTHON_COMMAND="python3.12" ;;
-                "jammy") CD_PYTHON_COMMAND="python3.10" ;;
+        "${CIDD_OS_UBUNTU}")
+            case "${CIDD_OS_VERSION}" in
+                "noble") CIDD_PYTHON_COMMAND="python3.12" ;;
+                "jammy") CIDD_PYTHON_COMMAND="python3.10" ;;
                 *)
             esac
-            CD_PYTHON_PACKAGE="python3"
+            CIDD_PYTHON_PACKAGE="python3"
         ;;
         *)
     esac
     # set python packages
-    case "${CD_OS_ID}" in
-        "${CD_OS_ALMA}"|"${CD_OS_FEDORA}"|"${CD_OS_ROCKY}")
-            CD_PYTHON_PACKAGES="/usr/lib64/${CD_PYTHON_COMMAND}/site-packages"
+    case "${CIDD_OS_ID}" in
+        "${CIDD_OS_ALMA}"|"${CIDD_OS_FEDORA}"|"${CIDD_OS_ROCKY}")
+            CIDD_PYTHON_PACKAGES="/usr/lib64/${CIDD_PYTHON_COMMAND}/site-packages"
         ;;
-        "${CD_OS_ALPINE}"|"${CD_OS_ARCH}")
-            CD_PYTHON_PACKAGES="/usr/lib/${CD_PYTHON_COMMAND}/site-packages"
+        "${CIDD_OS_ALPINE}"|"${CIDD_OS_ARCH}")
+            CIDD_PYTHON_PACKAGES="/usr/lib/${CIDD_PYTHON_COMMAND}/site-packages"
         ;;
-        "${CD_OS_DEBIAN}"|"${CD_OS_UBUNTU}")
-            CD_PYTHON_PACKAGES="/usr/lib/${CD_PYTHON_ALIAS}/dist-packages"
+        "${CIDD_OS_DEBIAN}"|"${CIDD_OS_UBUNTU}")
+            CIDD_PYTHON_PACKAGES="/usr/lib/${CIDD_PYTHON_ALIAS}/dist-packages"
         ;;
         *)
     esac
     cd_split
-    cd_echo "CD_PYTHON_COMMAND" "CD_PYTHON_PACKAGE" "CD_PYTHON_PACKAGES"
+    cd_echo "CIDD_PYTHON_COMMAND" "CIDD_PYTHON_PACKAGE" "CIDD_PYTHON_PACKAGES"
     # variables
-    [ -n "${CD_CA_1}" ] && CD_CA=true
+    [ -n "${CIDD_CA_1}" ] && CIDD_CA=true
     # continuous integration platform
     if [ -n "${GITHUB_ACTIONS}" ] ; then
         # github → gitea → forgejo
         if [ -n "${GITHUB_SERVER_URL}" ] ; then
-            CD_SERVER_URL="${GITHUB_SERVER_URL}"
+            CIDD_SERVER_URL="${GITHUB_SERVER_URL}"
         else
             cd_error_ci "GITHUB_SERVER_URL"
         fi
         if [ -n "${GITHUB_REPOSITORY}" ] ; then
-            CD_PROJECTS_GROUP="$(dirname "${GITHUB_REPOSITORY}")"
-            CD_PROJECT_NAME="$(basename "${GITHUB_REPOSITORY}")"
+            CIDD_PROJECTS_GROUP="$(dirname "${GITHUB_REPOSITORY}")"
+            CIDD_PROJECT_NAME="$(basename "${GITHUB_REPOSITORY}")"
         else
             cd_error_ci "GITHUB_REPOSITORY"
         fi
         if [ -n "${GITHUB_REF_NAME}" ] ; then
-            CD_PROJECT_BRANCH="${GITHUB_REF_NAME}"
+            CIDD_PROJECT_BRANCH="${GITHUB_REF_NAME}"
         else
             cd_error_ci "GITHUB_REF_NAME"
         fi
     elif [ -n "${GITLAB_CI}" ] ; then
         # gitlab
         if [ -n "${CI_SERVER_URL}" ] ; then
-            CD_SERVER_URL="${CI_SERVER_URL}"
+            CIDD_SERVER_URL="${CI_SERVER_URL}"
         else
             cd_error_ci "CI_SERVER_URL"
         fi
         if [ -n "${CI_PROJECT_PATH}" ] ; then
-            CD_PROJECTS_GROUP="$(dirname "${CI_PROJECT_PATH}")"
-            CD_PROJECT_NAME="$(basename "${CI_PROJECT_PATH}")"
+            CIDD_PROJECTS_GROUP="$(dirname "${CI_PROJECT_PATH}")"
+            CIDD_PROJECT_NAME="$(basename "${CI_PROJECT_PATH}")"
         else
             cd_error_ci "CI_PROJECT_PATH"
         fi
         if [ -n "${CI_COMMIT_BRANCH}" ] ; then
-            CD_PROJECT_BRANCH="${CI_COMMIT_BRANCH}"
+            CIDD_PROJECT_BRANCH="${CI_COMMIT_BRANCH}"
         else
             cd_error_ci "CI_COMMIT_BRANCH"
         fi
@@ -388,34 +388,34 @@ Acquire::https::Verify-Peer False;
         # unsupported
         cd_error_ci "ø"
     fi
-    [ -n "${CD_SERVER_URL}" ] || cd_error_ci "CD_SERVER_URL"
-    [ -n "${CD_PROJECTS_GROUP}" ] || cd_error_ci "CD_PROJECTS_GROUP"
-    [ -n "${CD_PROJECT_NAME}" ] || cd_error_ci "CD_PROJECT_NAME"
-    [ -n "${CD_PROJECT_BRANCH}" ] || cd_error_ci "CD_PROJECT_BRANCH"
+    [ -n "${CIDD_SERVER_URL}" ] || cd_error_ci "CIDD_SERVER_URL"
+    [ -n "${CIDD_PROJECTS_GROUP}" ] || cd_error_ci "CIDD_PROJECTS_GROUP"
+    [ -n "${CIDD_PROJECT_NAME}" ] || cd_error_ci "CIDD_PROJECT_NAME"
+    [ -n "${CIDD_PROJECT_BRANCH}" ] || cd_error_ci "CIDD_PROJECT_BRANCH"
     #
-    CD_PROJECTS_URL="${CD_SERVER_URL}/${CD_PROJECTS_GROUP}"
+    CIDD_PROJECTS_URL="${CIDD_SERVER_URL}/${CIDD_PROJECTS_GROUP}"
     #
     cd_split
-    cd_echo "CD_CA"
+    cd_echo "CIDD_CA"
     cd_split
-    cd_echo "CD_SERVER_URL" \
-        "CD_PROJECTS_GROUP" "CD_PROJECT_NAME" "CD_PROJECT_BRANCH"
+    cd_echo "CIDD_SERVER_URL" \
+        "CIDD_PROJECTS_GROUP" "CIDD_PROJECT_NAME" "CIDD_PROJECT_BRANCH"
     cd_split
-    cd_echo "CD_PROJECTS_URL"
+    cd_echo "CIDD_PROJECTS_URL"
     # TODO move to Python
-    case "${CD_PM}" in
-        "${CD_PM_APK}"|"${CD_PM_APT}") CD_PKG_SSH="openssh-client" ;;
-        "${CD_PM_DNF}") CD_PKG_SSH="openssh-clients" ;;
-        "${CD_PM_PACMAN}") CD_PKG_SSH="openssh" ;;
+    case "${CIDD_PM}" in
+        "${CIDD_PM_APK}"|"${CIDD_PM_APT}") CIDD_PKG_SSH="openssh-client" ;;
+        "${CIDD_PM_DNF}") CIDD_PKG_SSH="openssh-clients" ;;
+        "${CIDD_PM_PACMAN}") CIDD_PKG_SSH="openssh" ;;
         *)
     esac
 }
 
 cd_set_packages_repositories () {
     cd_step "Set packages repositories"
-    case "${CD_OS_ID}" in
-        "${CD_OS_ALMA}")
-            case "${CD_OS_VERSION}" in
+    case "${CIDD_OS_ID}" in
+        "${CIDD_OS_ALMA}")
+            case "${CIDD_OS_VERSION}" in
                 "8") \
 cd_set_packages_repositories__file="/etc/yum.repos.d/almalinux.repo" ;;
                 "9") \
@@ -424,27 +424,27 @@ cd_set_packages_repositories__file="/etc/yum.repos.d/almalinux-baseos.repo" ;;
             esac
             cd_sed "${cd_set_packages_repositories__file}" \
             "|^mirrorlist|# mirrorlist|" \
-            "|${CD_URL_DEFAULT}|${CD_URL_CHOSEN}|" \
+            "|${CIDD_URL_DEFAULT}|${CIDD_URL_CHOSEN}|" \
             "|^# baseurl|baseurl|"
         ;;
-        "${CD_OS_ALPINE}")
+        "${CIDD_OS_ALPINE}")
             cd_set_packages_repositories__file="/etc/apk/repositories"
             cd_write "${cd_set_packages_repositories__file}" "\
-${CD_URL_CHOSEN}/v${CD_OS_VERSION}/main
-${CD_URL_CHOSEN}/v${CD_OS_VERSION}/community
+${CIDD_URL_CHOSEN}/v${CIDD_OS_VERSION}/main
+${CIDD_URL_CHOSEN}/v${CIDD_OS_VERSION}/community
 "
         ;;
-        "${CD_OS_DEBIAN}")
+        "${CIDD_OS_DEBIAN}")
             cd_set_packages_repositories__file="/etc/apt/sources.list"
             cd_write "${cd_set_packages_repositories__file}" "\
-deb ${CD_URL_CHOSEN} ${CD_OS_VERSION} main
-deb ${CD_URL_CHOSEN} ${CD_OS_VERSION}-backports main
-deb ${CD_URL_CHOSEN} ${CD_OS_VERSION}-updates main
-deb ${CD_URL_CHOSEN}-security ${CD_OS_VERSION}-security main
+deb ${CIDD_URL_CHOSEN} ${CIDD_OS_VERSION} main
+deb ${CIDD_URL_CHOSEN} ${CIDD_OS_VERSION}-backports main
+deb ${CIDD_URL_CHOSEN} ${CIDD_OS_VERSION}-updates main
+deb ${CIDD_URL_CHOSEN}-security ${CIDD_OS_VERSION}-security main
 "
         ;;
-        "${CD_OS_ROCKY}")
-            case "${CD_OS_VERSION}" in
+        "${CIDD_OS_ROCKY}")
+            case "${CIDD_OS_VERSION}" in
                 "8") \
 cd_set_packages_repositories__file="/etc/yum.repos.d/Rocky-BaseOS.repo" ;;
                 "9") \
@@ -453,16 +453,16 @@ cd_set_packages_repositories__file="/etc/yum.repos.d/rocky.repo" ;;
             esac
             cd_sed "${cd_set_packages_repositories__file}" \
             "|^mirrorlist|# mirrorlist|" \
-            "|${CD_URL_DEFAULT}|${CD_URL_CHOSEN}|" \
+            "|${CIDD_URL_DEFAULT}|${CIDD_URL_CHOSEN}|" \
             "|^#baseurl|baseurl|"
         ;;
-        "${CD_OS_UBUNTU}")
+        "${CIDD_OS_UBUNTU}")
             cd_set_packages_repositories__file="/etc/apt/sources.list"
             cd_write "${cd_set_packages_repositories__file}" "\
-deb ${CD_URL_CHOSEN} ${CD_OS_VERSION} main
-deb ${CD_URL_CHOSEN} ${CD_OS_VERSION}-backports main
-deb ${CD_URL_CHOSEN} ${CD_OS_VERSION}-updates main
-deb ${CD_URL_CHOSEN} ${CD_OS_VERSION}-security main
+deb ${CIDD_URL_CHOSEN} ${CIDD_OS_VERSION} main
+deb ${CIDD_URL_CHOSEN} ${CIDD_OS_VERSION}-backports main
+deb ${CIDD_URL_CHOSEN} ${CIDD_OS_VERSION}-updates main
+deb ${CIDD_URL_CHOSEN} ${CIDD_OS_VERSION}-security main
 "
         ;;
         *)
@@ -471,9 +471,9 @@ deb ${CD_URL_CHOSEN} ${CD_OS_VERSION}-security main
 
 cd_set_packages_configuration () {
     cd_step "Set packages configuration"
-    cd_write "${CD_PM_CONF_PATH}" "${CD_PM_CONF_TEXT}"
-    case "${CD_OS_ID}" in
-        "${CD_OS_DEBIAN}"|"${CD_OS_UBUNTU}")
+    cd_write "${CIDD_PM_CONF_PATH}" "${CIDD_PM_CONF_TEXT}"
+    case "${CIDD_OS_ID}" in
+        "${CIDD_OS_DEBIAN}"|"${CIDD_OS_UBUNTU}")
             export DEBIAN_FRONTEND="noninteractive"
         ;;
         *)
@@ -489,47 +489,47 @@ cd_list_working_directory () {
 }
 
 cd_set_https_verification_off () {
-    if [ -n "${CD_CA}" ] || [ "${CD_PM}" = "${CD_PM_APT}" ] ; then
+    if [ -n "${CIDD_CA}" ] || [ "${CIDD_PM}" = "${CIDD_PM_APT}" ] ; then
         cd_step "Set HTTPS verification off"
-        cd_mkdir "$(dirname "${CD_PM_HTTPS_PATH}")"
-        cd_write "${CD_PM_HTTPS_PATH}" "${CD_PM_HTTPS_TEXT}"
+        cd_mkdir "$(dirname "${CIDD_PM_HTTPS_PATH}")"
+        cd_write "${CIDD_PM_HTTPS_PATH}" "${CIDD_PM_HTTPS_TEXT}"
     fi
 }
 
 cd_set_dns_resolving () {
     cd_step "Set DNS resolving"
-    for cd_set_dns_resolving__server in ${CD_DNS} ; do
+    for cd_set_dns_resolving__server in ${CIDD_DNS} ; do
         cd_set_dns_resolving__text="${cd_set_dns_resolving__text}\
 nameserver ${cd_set_dns_resolving__server}
 "
     done
-    cd_write "${CD_DNS_FILE}" "${cd_set_dns_resolving__text}"
+    cd_write "${CIDD_DNS_FILE}" "${cd_set_dns_resolving__text}"
 }
 
 cd_update_packages_catalog () {
     cd_step "Update packages catalog"
-    ${CD_PM_UPDATE} || exit
+    ${CIDD_PM_UPDATE} || exit
 }
 
 cd_install_packages_tools () {
     cd_step "Install packages tools"
-    cd_install_package "${CD_PKG_PKG}"
+    cd_install_package "${CIDD_PKG_PKG}"
 }
 
 cd_install_ca_certificates () {
     cd_step "Install CA"
-    cd_install_package "${CD_PKG_CA}"
+    cd_install_package "${CIDD_PKG_CA}"
 }
 
 cd_write_ca_certificates () {
     cd_step "Write CA certificates"
-    cd_mkdir "${CD_CA_ROOT}"
+    cd_mkdir "${CIDD_CA_ROOT}"
     cd_write_ca_certificates__index=1
     eval "cd_write_ca_certificates__text=\
-\"\${CD_CA_${cd_write_ca_certificates__index}}\""
+\"\${CIDD_CA_${cd_write_ca_certificates__index}}\""
     while [ -n "${cd_write_ca_certificates__text}" ] ; do
         cd_write_ca_certificates__path="\
-${CD_CA_ROOT}/${cd_write_ca_certificates__index}.crt"
+${CIDD_CA_ROOT}/${cd_write_ca_certificates__index}.crt"
         cd_split
         cd_write \
         "${cd_write_ca_certificates__path}" \
@@ -537,52 +537,52 @@ ${CD_CA_ROOT}/${cd_write_ca_certificates__index}.crt"
         cd_openssl "${cd_write_ca_certificates__path}"
         cd_write_ca_certificates__index=$((cd_write_ca_certificates__index+1))
         eval "cd_write_ca_certificates__text=\
-\"\${CD_CA_${cd_write_ca_certificates__index}}\""
+\"\${CIDD_CA_${cd_write_ca_certificates__index}}\""
     done
 }
 
 cd_update_ca_certificates () {
     cd_step "Update CA certificates"
-    ${CD_CMD_CA} || exit
+    ${CIDD_CMD_CA} || exit
 }
 
 cd_set_https_verification_on () {
     cd_step "Set HTTPS verification on"
-    cd_rm "${CD_PM_HTTPS_PATH}"
+    cd_rm "${CIDD_PM_HTTPS_PATH}"
 }
 
 cd_upgrade_packages () {
     cd_step "Upgrade packages"
-    ${CD_PM_UPGRADE} || exit
+    ${CIDD_PM_UPGRADE} || exit
 }
 
 cd_install_git () {
     cd_step "Install Git"
-    cd_install_package "${CD_PKG_GIT}"
+    cd_install_package "${CIDD_PKG_GIT}"
 }
 
 cd_install_python () {
     cd_step "Install Python"
-    cd_install_package "${CD_PYTHON_PACKAGE}"
+    cd_install_package "${CIDD_PYTHON_PACKAGE}"
     cd_split
-    cd_ln_python "${CD_PYTHON_COMMAND}"
+    cd_ln_python "${CIDD_PYTHON_COMMAND}"
 }
 
 # TODO move to Python
 cd_install_rsync () {
     cd_step "Install Rsync"
-    cd_install_package "${CD_PKG_RSYNC}"
+    cd_install_package "${CIDD_PKG_RSYNC}"
 }
 
 # TODO move to Python
 cd_install_ssh () {
     cd_step "Install SSH"
-    cd_install_package "${CD_PKG_SSH}"
+    cd_install_package "${CIDD_PKG_SSH}"
 }
 
 cd_clean_packages_cache () {
     cd_step "Clean packages cache"
-    ${CD_PM_CLEAN} || exit
+    ${CIDD_PM_CLEAN} || exit
 }
 
 cd_install_python_modules () {
@@ -590,10 +590,10 @@ cd_install_python_modules () {
     cd_install_python_modules__root="$(mktemp --directory)" || exit
     echo "→ ${cd_install_python_modules__root}"
     for cd_install_python_modules__repository \
-    in "${CD_GIT_CHILD}" "${CD_GIT_PARENT}" ; do
+    in "${CIDD_GIT_CHILD}" "${CIDD_GIT_PARENT}" ; do
         cd_split
         cd_install_python_modules__url="\
-${CD_PROJECTS_URL}/${cd_install_python_modules__repository}"
+${CIDD_PROJECTS_URL}/${cd_install_python_modules__repository}"
         echo "\
 ${cd_install_python_modules__url}
 ↓"
@@ -609,13 +609,13 @@ ${cd_install_python_modules__root}\
         echo "\
 ${cd_install_python_modules__path}
 ↓
-${CD_PYTHON_PACKAGES}"
+${CIDD_PYTHON_PACKAGES}"
         cp --recursive \
-        "${cd_install_python_modules__path}" "${CD_PYTHON_PACKAGES}" \
+        "${cd_install_python_modules__path}" "${CIDD_PYTHON_PACKAGES}" \
         || exit
     done
     cd_split
-    cd_ls "${CD_PYTHON_PACKAGES}"
+    cd_ls "${CIDD_PYTHON_PACKAGES}"
     cd_split
     cd_rm "${cd_install_python_modules__root}"
 }
@@ -625,23 +625,23 @@ cd_write_python_module () {
     for cd_write_python_module__variable \
     in OPEN DOWN VERT SPLT __UP SHUT OS_ID OS_VERSION ; do
         cd_write_python_module__value="\
-$(cd_echo "CD_${cd_write_python_module__variable}")"
+$(cd_echo "CIDD_${cd_write_python_module__variable}")"
         cd_write_python_module__text="${cd_write_python_module__text}\
 ${cd_write_python_module__value}
 "
     done
-    cd_write "${CD_PYTHON_PACKAGES}/env.py" "${cd_write_python_module__text}\
-CD_STEP = $((CD_STEP+1))
+    cd_write "${CIDD_PYTHON_PACKAGES}/env.py" "${cd_write_python_module__text}\
+CIDD_STEP = $((CIDD_STEP+1))
 "
 }
 
 cd_switch_to_python () {
     cd_step "Switch to Python"
     echo "\
-${CD_PATH}
+${CIDD_PATH}
 ↓
-${CD_PYTHON_PACKAGES}/${CD_GIT_CHILD}"
-    "${CD_PYTHON_ALIAS}" -m "${CD_GIT_CHILD}" "${@}"
+${CIDD_PYTHON_PACKAGES}/${CIDD_GIT_CHILD}"
+    "${CIDD_PYTHON_ALIAS}" -m "${CIDD_GIT_CHILD}" "${@}"
 }
 
 # functions
@@ -666,14 +666,14 @@ cd_echo () {
 
 cd_error_ci () {
     echo "× CI: ${*}"
-    exit "${CD_ERROR_CI}"
+    exit "${CIDD_ERROR_CI}"
 }
 
 cd_error_os () {
     cd_error_os__variable="${1}"
     printf "× OS: "
     cd_echo "${cd_error_os__variable}"
-    exit "${CD_ERROR_OS}"
+    exit "${CIDD_ERROR_OS}"
 }
 
 cd_grep_os () {
@@ -688,15 +688,15 @@ cd_grep_os () {
 cd_install_package () {
     cd_install_package__name="${1}"
     if [ -n "${cd_install_package__name}" ] ; then
-        ${CD_PM_INSTALL} "${cd_install_package__name}" || exit
+        ${CIDD_PM_INSTALL} "${cd_install_package__name}" || exit
     fi
 }
 
 cd_ln_python () {
     cd_ln_python__command="${1}"
     if [ -n "${cd_ln_python__command}" ] ; then
-        echo "→ ${CD_PYTHON_ALIAS} → ${cd_ln_python__command}"
-        ln -f -s "${cd_ln_python__command}" "/usr/bin/${CD_PYTHON_ALIAS}" \
+        echo "→ ${CIDD_PYTHON_ALIAS} → ${cd_ln_python__command}"
+        ln -f -s "${cd_ln_python__command}" "/usr/bin/${CIDD_PYTHON_ALIAS}" \
         || exit
     fi
 }
@@ -719,7 +719,7 @@ cd_mkdir () {
 }
 
 cd_open () {
-    echo "${CD_OPEN}${*}"
+    echo "${CIDD_OPEN}${*}"
 }
 
 cd_openssl () {
@@ -754,19 +754,19 @@ cd_sed () {
 }
 
 cd_shut () {
-    echo "${CD_SHUT}${*}"
+    echo "${CIDD_SHUT}${*}"
 }
 
 cd_split () {
-    echo "${CD_SPLT}"
+    echo "${CIDD_SPLT}"
 }
 
 cd_step () {
-    CD_STEP=$((CD_STEP+1))
+    CIDD_STEP=$((CIDD_STEP+1))
     echo "\
-${CD_DOWN}
-${CD_VERT} ${CD_STEP} ${*}
-${CD___UP}"
+${CIDD_DOWN}
+${CIDD_VERT} ${CIDD_STEP} ${*}
+${CIDD___UP}"
 }
 
 cd_write () {
@@ -782,36 +782,36 @@ cd_write () {
 
 # constants
 
-CD_BOX_DOWN="╭"
-CD_BOX_LEFT="╴"
-CD_BOX_RIGHT="╶"
-CD_BOX_UP="╰"
-CD_BOX_VERTICAL="│"
+CIDD_BOX_DOWN="╭"
+CIDD_BOX_LEFT="╴"
+CIDD_BOX_RIGHT="╶"
+CIDD_BOX_UP="╰"
+CIDD_BOX_VERTICAL="│"
 
-CD_ERROR_CI=2
-CD_ERROR_OS=1
+CIDD_ERROR_CI=2
+CIDD_ERROR_OS=1
 
-CD_OS_ALMA="alma"
-CD_OS_ALPINE="alpine"
-CD_OS_ARCH="arch"
-CD_OS_DEBIAN="debian"
-CD_OS_FEDORA="fedora"
-CD_OS_ROCKY="rocky"
-CD_OS_UBUNTU="ubuntu"
+CIDD_OS_ALMA="alma"
+CIDD_OS_ALPINE="alpine"
+CIDD_OS_ARCH="arch"
+CIDD_OS_DEBIAN="debian"
+CIDD_OS_FEDORA="fedora"
+CIDD_OS_ROCKY="rocky"
+CIDD_OS_UBUNTU="ubuntu"
 
-CD_PM_APK="apk"
-CD_PM_APT="apt"
-CD_PM_DNF="dnf"
-CD_PM_PACMAN="pacman"
+CIDD_PM_APK="apk"
+CIDD_PM_APT="apt"
+CIDD_PM_DNF="dnf"
+CIDD_PM_PACMAN="pacman"
 
-CD_HORIZONTAL="────╌╌╌╌┄┄┄┄┈┈┈┈"
+CIDD_HORIZONTAL="────╌╌╌╌┄┄┄┄┈┈┈┈"
 
-CD_OPEN="${CD_BOX_DOWN}${CD_BOX_LEFT}"
-CD_DOWN="${CD_BOX_DOWN}${CD_HORIZONTAL}"
-CD_VERT="${CD_BOX_VERTICAL}"
-CD_SPLT="${CD_BOX_RIGHT}${CD_HORIZONTAL}"
-CD___UP="${CD_BOX_UP}${CD_HORIZONTAL}"
-CD_SHUT="${CD_BOX_UP}${CD_BOX_LEFT}"
+CIDD_OPEN="${CIDD_BOX_DOWN}${CIDD_BOX_LEFT}"
+CIDD_DOWN="${CIDD_BOX_DOWN}${CIDD_HORIZONTAL}"
+CIDD_VERT="${CIDD_BOX_VERTICAL}"
+CIDD_SPLT="${CIDD_BOX_RIGHT}${CIDD_HORIZONTAL}"
+CIDD___UP="${CIDD_BOX_UP}${CIDD_HORIZONTAL}"
+CIDD_SHUT="${CIDD_BOX_UP}${CIDD_BOX_LEFT}"
 
 # run
 cd_main "${@}"