Shutdown

Command	Description
shutdown	Shutdown after 1min
shutdown -h 20	Shutdown after 20mins
shutdown -h 10:09	Shutdown in 10:09
shutdown -c	Cancel the specified time shutdown
shutdown -h now	Shutdown now
init 0	Shutdown now
poweroff	Shutdown and cut power
halt	Shutdown

Reboot

Command	Description
logout	quit system

Command	Description
sudo apt update	Updating package index
sudo apt upgrade	Upgrading packages
sudo apt full-upgrade	Full Upgrading
sudo apt install package_name	Installing packages
sudo apt install package1 package2	Installing muti packages
sudo apt remove package_name	Removing Packages
sudo apt remove package1 package2	Removing muti packages
sudo apt purge package_name	Removing muti packages and file
sudo apt autoremove	Remove the unneeded dependencies
sudo apt clean	Clean cache
sudo apt list	List all available packages
sudo apt-get autoclean	Clean up the old software cache
sudo apt list --installed	list only the installed packages
sudo apt list --upgradeable	list of the upgradeable packages
sudo apt search package_name	Searching Packages
sudo apt show package_name	Retrieve information about a given package