Among the most useful commands for getting help on Linux is the man (i.e., manual ... that you can use to view a screenful at a time. For example, if you wanted to see the options for formatting ...

In the 18 tables below, you’ll find sets of commands with simple explanations and usage examples that might help you or Linux users you support become more productive on the command line.

Keep in mind that the documentation that goes with the Linux distribution you’re using can probably help. In Ubuntu, for example, the help section on the command line is a nice place to learn ...