diff --git a/.archive/.0000_lib_usage.sh b/.archive/.0000_lib_usage.sh
new file mode 100644
index 0000000..b5da322
--- /dev/null
+++ b/.archive/.0000_lib_usage.sh
@@ -0,0 +1,142 @@
+#!/bin/bash
+# SPDX-Version: 3.0
+# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.git
+# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
+# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-FileType: SOURCE
+# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
+# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
+# SPDX-PackageName: CISS.debian.live.builder
+# SPDX-Security-Contact: security@coresecret.eu
+
+#######################################
+# Usage Wrapper CISS.debian.live.builder
+# Globals:
+#   none
+# Arguments:
+#   $0: Script name
+#######################################
+usage() {
+  clear
+  cat << EOF
+$(echo -e "\e[92mCISS.debian.live.builder\e[0m")
+$(echo -e "\e[92mMaster V8.03.832.2025.06.25\e[0m")
+$(echo -e "\e[92mA lightweight Shell Wrapper for building a hardened Debian Live ISO Image.\e[0m")
+
+$(echo -e "\e[97m(c) Marc S. Weidner, 2018 - 2025\e[0m")
+$(echo -e "\e[97m(p) Centurion Press, 2024 - 2025\e[0m")
+
+"${0} <option>", where <option> is one or more of:
+
+$(echo -e "\e[97m  --help, -h\e[0m")
+    What you're looking at.
+
+$(echo -e "\e[97m  --autobuild=*, -a=*\e[0m")
+    Headless mode. Skip the dialog wrapper, provider note screen and interactive kernel
+    selector dialog. Change '*' to your desired Linux kernel and trim the
+    'linux-image-' string to select a specific kernel, e.g. '--autobuild=6.12.30+bpo-amd64'.
+
+$(echo -e "\e[97m  --architecture <STRING> one of <amd64 | arm64>\e[0m")
+    A string reflecting the architecture of the Live System.
+    MUST be provided.
+
+$(echo -e "\e[97m  --build-directory </path/to/build_directory>\e[0m")
+    Where the Debian Live Build Image should be generated.
+    MUST be provided.
+
+$(echo -e "\e[97m  --change-splash <STRING> one of <club | hexagon>\e[0m")
+    A string reflecting the GRub Boot Screen Splash you want to use.
+    If omitted defaults to "./.archive/background/club.png".
+
+$(echo -e "\e[97m  --cdi (Experimental Feature)\e[0m")
+    This option generates a boot menu entry to start the forthcoming
+    'CISS.debian.installer', which will be executed after
+    the system has successfully booted up.
+
+$(echo -e "\e[97m  --contact, -c\e[0m")
+    Displays contact information of the author.
+
+$(echo -e "\e[97m  --control <INTEGER>\e[0m")
+    An integer that reflects the version of your Live ISO Image.
+    MUST be provided.
+
+$(echo -e "\e[97m  --debug\e[0m")
+    Enables debug logging for the main program routine. Detailed logging
+    information are written to "/tmp/ciss_live_builder_$$.log"
+
+$(echo -e "\e[97m  --dhcp-centurion\e[0m")
+    If a DHCP lease is provided, the provider's nameserver will be overridden,
+    and only the hardened, privacy-focused Centurion DNS servers will be used:
+      - https://dns01.eddns.eu/
+      - https://dns02.eddns.de/
+      - https://dns03.eddns.eu/
+
+$(echo -e "\e[97m  --jump-host <IP | IP | ... >\e[0m")
+    Provide up to 10 IPs for /etc/host.allow whitelisting of SSH access.
+    Could be either IPv4 and / or IPv6 addresses and / or CCDIR notation.
+    If provided, than it MUST be a <SPACE> separated list.
+    IPv6 addresses MUST be encapsulated with [], e.g., [1234::abcd]/64.
+
+$(echo -e "\e[97m  --log-statistics-only\e[0m")
+    Provides statistic only after successful building a
+    CISS.debian.live-ISO. While enabling "--log-statistics-only"
+    the argument "--build-directory" MUST be provided while
+    all further options MUST be omitted.
+
+$(echo -e "\e[97m  --provider-netcup-ipv6\e[0m")
+    Activates IPv6 support for Netcup Root Server. One unique
+    IPv6 address MUST be provided in this case and MUST be encapsulated
+    with [], e.g., [1234::abcd].
+
+$(echo -e "\e[97m  --renice-priority <PRIORITY>\e[0m")
+    Reset the nice priority value of the script and all its children
+    to the desired <PRIORITY>. MUST be an integer (between "-19" and 19).
+    Negative (higher) values MUST be enclosed in double quotes '"'.
+
+$(echo -e "\e[97m  --reionice-priority <CLASS> <PRIORITY>\e[0m")
+    Reset the ionice priority value of the script and all its children
+    to the desired <CLASS>. MUST be an integer:
+      1: realtime
+      2: best-effort
+      3: idle
+    Defaults to '2'.
+    Whereas <PRIORITY> MUST be an integer as well between:
+      0: highest priority and
+      7: lowest priority.
+    Defaults to '4'.
+    A real-time I/O process can significantly slow down other processes
+    or even cause them to starve if it continuously requests I/O.
+
+$(echo -e "\e[97m  --root-password-file </path/to/password.txt>\e[0m")
+    Password file for 'root', if given, MUST be a string of 20 to 64 characters,
+    and MUST NOT contain the special character '"'.
+    If the argument is omitted, no further login authentication is required for
+    the local console. The root password is hashed with an 16 Byte '/dev/random'
+    generated SALT and SHA512 Hashing function and 8,388,608 rounds. Immediately
+    after Hash generation all Variables containing plain password fragments are
+    deleted. Password file SHOULD be '0400' and 'root:root' and is deleted without
+    further prompt after password hash has been successfully generated via:
+    'shred -vfzu 5 -f'.
+    No tracing of any plain text password fragment in any debug log.
+
+$(echo -e "\e[97m  --ssh-port <INTEGER>\e[0m")
+    The desired Port SSH should listen to.
+    If not provided defaults to Port 22.
+
+$(echo -e "\e[97m  --ssh-pubkey </path/to/.ssh/>\e[0m")
+    Imports the SSH Public Key(s) from the FILE 'authorized_keys' of the
+    specified PATH into the Live ISO. MUST be provided.
+
+$(echo -e "\e[97m  --version, -v\e[0m")
+    Displays version of ${0}.
+
+$(echo -e "\e[93m💡 Notes:\e[0m")
+🔵 You MUST be 'root' to run this script.
+
+$(echo -e "\e[95m💷 Please consider donating to my work at:\e[0m")
+$(echo -e "\e[95m🌐 https://coresecret.eu/spenden/         \e[0m")
+
+EOF
+}
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
diff --git a/lib/lib_usage.sh b/lib/lib_usage.sh
index 33d991a..ea9158f 100644
--- a/lib/lib_usage.sh
+++ b/lib/lib_usage.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 # SPDX-Version: 3.0
-# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-CreationInfo: 2025-06-25; WEIDNER, Marc S.; <msw@coresecret.dev>
 # SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.git
 # SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
 # SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
@@ -17,126 +17,155 @@
 # Arguments:
 #   $0: Script name
 #######################################
+
+#######################################
+# Usage Wrapper CISS.debian.live.builder
+# Arguments:
+#   $0: Script name
+#######################################
 usage() {
-  clear
-  cat << EOF
-$(echo -e "\e[92mCISS.debian.live.builder\e[0m")
-$(echo -e "\e[92mMaster V8.03.832.2025.06.25\e[0m")
-$(echo -e "\e[92mA lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Image.\e[0m")
+  # shellcheck disable=SC2155
+  declare var_cols=$(tput cols 2>/dev/null || echo 80)
 
-$(echo -e "\e[97m(c) Marc S. Weidner, 2018 - 2025\e[0m")
-$(echo -e "\e[97m(p) Centurion Press, 2024 - 2025\e[0m")
+  #######################################
+  # Header, Footer wrapper for dynamically output.
+  # Arguments:
+  #   $1: Text.
+  #   $2: Width of Terminal.
+  #######################################
+  center() {
+    declare var_text="$1"
+    declare var_width="$2"
+    declare var_padding=$(( (var_width - ${#var_text}) / 2 ))
+    printf "%*s%s%*s\n" "${var_padding}" "" "${var_text}" "${var_padding}" ""
+  }
 
-"${0} <option>", where <option> is one or more of:
+  # shellcheck disable=SC2155
+  declare var_header=$(center "CLB(1)        CISS.debian.live.builder        CLB(1)" "${var_cols}")
+  # shellcheck disable=SC2155
+  declare var_footer=$(center "V8.03.832.2025.06.25        2025-06-25        CLB(1)" "${var_cols}")
 
-$(echo -e "\e[97m  --help, -h\e[0m")
-    What you're looking at.
-
-$(echo -e "\e[97m  --autobuild=*, -a=*\e[0m")
-    Headless mode. Skip the dialog wrapper, provider note screen and interactive kernel
-    selector dialog. Change '*' to your desired Linux kernel and trim the
-    'linux-image-' string to select a specific kernel, e.g. '--autobuild=6.12.30+bpo-amd64'.
-
-$(echo -e "\e[97m  --architecture <STRING> one of <amd64 | arm64>\e[0m")
-    A string reflecting the architecture of the Live System.
-    MUST be provided.
-
-$(echo -e "\e[97m  --build-directory </path/to/build_directory>\e[0m")
-    Where the Debian Live Build Image should be generated.
-    MUST be provided.
-
-$(echo -e "\e[97m  --change-splash <STRING> one of <club | hexagon>\e[0m")
-    A string reflecting the GRub Boot Screen Splash you want to use.
-    If omitted defaults to "./.archive/background/club.png".
-
-$(echo -e "\e[97m  --cdi (Experimental Feature)\e[0m")
-    This option generates a boot menu entry to start the forthcoming
-    'CISS.debian.installer', which will be executed after
-    the system has successfully booted up.
-
-$(echo -e "\e[97m  --contact, -c\e[0m")
-    Displays contact information of the author.
-
-$(echo -e "\e[97m  --control <INTEGER>\e[0m")
-    An integer that reflects the version of your Live ISO Image.
-    MUST be provided.
-
-$(echo -e "\e[97m  --debug\e[0m")
-    Enables debug logging for the main program routine. Detailed logging
-    information are written to "/tmp/ciss_live_builder_$$.log"
-
-$(echo -e "\e[97m  --dhcp-centurion\e[0m")
-    If a DHCP lease is provided, the provider's nameserver will be overridden,
-    and only the hardened, privacy-focused Centurion DNS servers will be used:
-      - https://dns01.eddns.eu/
-      - https://dns02.eddns.de/
-      - https://dns03.eddns.eu/
-
-$(echo -e "\e[97m  --jump-host <IP | IP | ... >\e[0m")
-    Provide up to 10 IPs for /etc/host.allow whitelisting of SSH access.
-    Could be either IPv4 and / or IPv6 addresses and / or CCDIR notation.
-    If provided, than it MUST be a <SPACE> separated list.
-    IPv6 addresses MUST be encapsulated with [], e.g., [1234::abcd]/64.
-
-$(echo -e "\e[97m  --log-statistics-only\e[0m")
-    Provides statistic only after successful building a
-    CISS.debian.live-ISO. While enabling "--log-statistics-only"
-    the argument "--build-directory" MUST be provided while
-    all further options MUST be omitted.
-
-$(echo -e "\e[97m  --provider-netcup-ipv6\e[0m")
-    Activates IPv6 support for Netcup Root Server. One unique
-    IPv6 address MUST be provided in this case and MUST be encapsulated
-    with [], e.g., [1234::abcd].
-
-$(echo -e "\e[97m  --renice-priority <PRIORITY>\e[0m")
-    Reset the nice priority value of the script and all its children
-    to the desired <PRIORITY>. MUST be an integer (between "-19" and 19).
-    Negative (higher) values MUST be enclosed in double quotes '"'.
-
-$(echo -e "\e[97m  --reionice-priority <CLASS> <PRIORITY>\e[0m")
-    Reset the ionice priority value of the script and all its children
-    to the desired <CLASS>. MUST be an integer:
-      1: realtime
-      2: best-effort
-      3: idle
-    Defaults to '2'.
-    Whereas <PRIORITY> MUST be an integer as well between:
-      0: highest priority and
-      7: lowest priority.
-    Defaults to '4'.
-    A real-time I/O process can significantly slow down other processes
-    or even cause them to starve if it continuously requests I/O.
-
-$(echo -e "\e[97m  --root-password-file </path/to/password.txt>\e[0m")
-    Password file for 'root', if given, MUST be a string of 20 to 64 characters,
-    and MUST NOT contain the special character '"'.
-    If the argument is omitted, no further login authentication is required for
-    the local console. The root password is hashed with an 16 Byte '/dev/random'
-    generated SALT and SHA512 Hashing function and 8,388,608 rounds. Immediately
-    after Hash generation all Variables containing plain password fragments are
-    deleted. Password file SHOULD be '0400' and 'root:root' and is deleted without
-    further prompt after password hash has been successfully generated via:
-    'shred -vfzu 5 -f'.
-    No tracing of any plain text password fragment in any debug log.
-
-$(echo -e "\e[97m  --ssh-port <INTEGER>\e[0m")
-    The desired Port SSH should listen to.
-    If not provided defaults to Port 22.
-
-$(echo -e "\e[97m  --ssh-pubkey </path/to/.ssh/>\e[0m")
-    Imports the SSH Public Key(s) from the FILE 'authorized_keys' of the
-    specified PATH into the Live ISO. MUST be provided.
-
-$(echo -e "\e[97m  --version, -v\e[0m")
-    Displays version of ${0}.
-
-$(echo -e "\e[93m💡 Notes:\e[0m")
-🔵 You MUST be 'root' to run this script.
-
-$(echo -e "\e[95m💷 Please consider donating to my work at:\e[0m")
-$(echo -e "\e[95m🌐 https://coresecret.eu/spenden/         \e[0m")
-
-EOF
+  {
+    echo -e "\e[1;97m${var_header}\e[0m"
+    echo
+    echo -e "\e[92mCISS.debian.live.builder from https://git.coresecret.dev/msw \e[0m"
+    echo -e "\e[92mMaster V8.03.832.2025.06.25\e[0m"
+    echo -e "\e[92mA lightweight Shell Wrapper for building a hardened Debian Live ISO Image.\e[0m"
+    echo
+    echo -e "\e[97m(c) Marc S. Weidner, 2018 - 2025 \e[0m"
+    echo -e "\e[97m(p) Centurion Press, 2024 - 2025 \e[0m"
+    echo
+    echo -e "\e[97m${0} <option>, where <option> is one or more of: \e[0m"
+    echo
+    echo -e "\e[97m  --help, -h \e[0m"
+    echo "    What you're looking at."
+    echo
+    echo -e "\e[97m  --autobuild=*, -a=* \e[0m"
+    echo "    Headless mode. Skip the dialog wrapper, provider note screen and interactive kernel"
+    echo "    selector dialog. Change '*' to your desired Linux kernel and trim the"
+    echo "    'linux-image-' string to select a specific kernel, e.g. '--autobuild=6.12.30+bpo-amd64'."
+    echo
+    echo -e "\e[97m  --architecture <STRING> one of <amd64 | arm64> \e[0m"
+    echo "    A string reflecting the architecture of the Live System."
+    echo "    MUST be provided."
+    echo
+    echo -e "\e[97m  --build-directory </path/to/build_directory> \e[0m"
+    echo "    Where the Debian Live Build Image should be generated."
+    echo "    MUST be provided."
+    echo
+    echo -e "\e[97m  --change-splash <STRING> one of <club | hexagon>\e[0m"
+    echo "    A string reflecting the Grub Boot Screen Splash you want to use."
+    echo "    If omitted defaults to './.archive/background/club.png'."
+    echo
+    echo -e "\e[97m  --cdi (Experimental Feature)\e[0m"
+    echo "    This option generates a boot menu entry to start the forthcoming"
+    echo "    'CISS.debian.installer', which will be executed after"
+    echo "    the system has successfully booted up."
+    echo
+    echo -e "\e[97m  --contact, -c\ e[0m"
+    echo "    Show author contact information."
+    echo
+    echo -e "\e[97m  --control <INTEGER>\e[0m"
+    echo "    An integer that reflects the version of your Live ISO Image."
+    echo "    MUST be provided."
+    echo
+    echo -e "\e[97m  --debug, -d \e[0m"
+    echo "    Enables debug logging for the main program routine. Detailed logging"
+    echo "    information are written to '/tmp/ciss_live_builder_$$.log'."
+    echo
+    echo -e "\e[97m  --dhcp-centurion \e[0m"
+    echo "    If a DHCP lease is provided, the provider's nameserver will be overridden,"
+    echo "    and only the hardened, privacy-focused Centurion DNS servers will be used:"
+    echo "      - https://dns01.eddns.eu/"
+    echo "      - https://dns02.eddns.de/"
+    echo "      - https://dns03.eddns.eu/"
+    echo
+    echo -e "\e[97m  --jump-host <IP | IP | ... > \e[0m"
+    echo "    Provide up to 10 IPs for /etc/host.allow whitelisting of SSH access."
+    echo "    Could be either IPv4 and / or IPv6 addresses and / or CCDIR notation."
+    echo "    If provided, than it MUST be a <SPACE> separated list."
+    echo "    IPv6 addresses MUST be encapsulated with [], e.g., [1234::abcd]/64."
+    echo
+    echo -e "\e[97m  --log-statistics-only\e[0m"
+    echo "    Provides statistic only after successful building a"
+    echo "    CISS.debian.live-ISO. While enabling '--log-statistics-only'"
+    echo "    the argument '--build-directory' MUST be provided while"
+    echo "    all further options MUST be omitted."
+    echo
+    echo -e "\e[97m  --provider-netcup-ipv6 \e[0m"
+    echo "    Activates IPv6 support for Netcup Root Server. One unique"
+    echo "    IPv6 address MUST be provided in this case and MUST be encapsulated"
+    echo "    with [], e.g., [1234::abcd]."
+    echo
+    echo -e "\e[97m  --renice-priority <PRIORITY> \e[0m"
+    echo "    Reset the nice priority value of the script and all its children"
+    echo "    to the desired <PRIORITY>. MUST be an integer (between '-19' and 19)."
+    echo "    Negative (higher) values MUST be enclosed in double quotes '\"'."
+    echo
+    echo -e "\e[97m  --reionice-priority <CLASS> <PRIORITY> \e[0m"
+    echo "    Reset the ionice priority value of the script and all its children"
+    echo "    to the desired <CLASS>. MUST be an integer:"
+    echo "      1: realtime"
+    echo "      2: best-effort"
+    echo "      3: idle"
+    echo "    Defaults to '2'."
+    echo "    Whereas <PRIORITY> MUST be an integer as well between:"
+    echo "      0: highest priority and"
+    echo "      7: lowest priority."
+    echo "    Defaults to '4'."
+    echo "    A real-time I/O process can significantly slow down other processes"
+    echo "    or even cause them to starve if it continuously requests I/O."
+    echo
+    echo -e "\e[97m  --root-password-file </path/to/password.txt> \e[0m"
+    echo "    Password file for 'root', if given, MUST be a string of 20 to 64 characters,"
+    echo "    and MUST NOT contain the special character '\"'."
+    echo "    If the argument is omitted, no further login authentication is required for"
+    echo "    the local console. The root password is hashed with an 16 Byte '/dev/random'"
+    echo "    generated SALT and SHA512 Hashing function and 8,388,608 rounds. Immediately"
+    echo "    after Hash generation all Variables containing plain password fragments are"
+    echo "    deleted. Password file SHOULD be '0400' and 'root:root' and is deleted without"
+    echo "    further prompt after password hash has been successfully generated via:"
+    echo "    'shred -vfzu 5 -f'."
+    echo "    'No tracing of any plain text password fragment in any debug log."
+    echo
+    echo -e "\e[97m  --ssh-port <INTEGER> \e[0m"
+    echo "    The desired Port SSH should listen to."
+    echo "    If not provided defaults to Port '22'."
+    echo
+    echo -e "\e[97m  --ssh-pubkey </path/to/.ssh/> \e[0m"
+    echo "    Imports the SSH Public Key from the FILE 'authorized_keys' of the"
+    echo "    specified PATH into the Live ISO. MUST be provided."
+    echo
+    echo -e "\e[97m  --version, -v \e[0m"
+    echo "    Show version of ${0}."
+    echo
+    echo -e "\e[93m💡 Notes:\e[0m"
+    echo -e "\e[93m🔵 You MUST be 'root' to run this script.\e[0m"
+    echo
+    echo -e "\e[95m💷 Please consider donating to my work at: \e[0m"
+    echo -e "\e[95m🌐 https://coresecret.eu/spenden/ \e[0m"
+    echo
+    echo -e "\e[1;97m${var_footer}\e[0m"
+  } | less -R
 }
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh