More math on the Linux command line. May 8, 2025 5 mins. how-to. Making use of your command history on Linux. Apr 22, 2025 6 mins. how-to. 18 essential commands for new Linux users.

Also: 5 Linux commands for quickly finding the system information you need to know. 5. systemctl. The systemctl command is not only good for starting and stopping applications; ...

Help command. The Linux help command will provide information on built-ins. For example, you can ask help about the help command. The response, as shown below, shows that help is itself a built-in.