Parse and filter dpkg database to display selected fields or other specific information.
Display hardware information.
Flush buffers on a specific device using blockdev utility.
Determine session type (X11, Wayland).
Display CPU information.
Improve apt download times by using apt-fast a shell-script wrapper for apt, apt-get or aptitude.
Upgrade Ubuntu 21.10 LTS (Long Term Support) to the latest development version of Ubuntu 22.04 release.
Display information about NVMe storage device.