For example, sometimes you may want to run a script or a command whenever you start your Linux machine. There is more than one way to do this. Put the command in your crontab file.

If you have a command that outputs a lot of data to the terminal, you might want to send that output to a file for easier (or later) viewing or sharing. Jack Wallen shows you how.

The Linux ls command, with the -l option, shows a file's permissions at the beginning of each line. Trying to execute an image file produces a "Permission denied" error ...