Command line Command line feed

Learn how to make better use of the command line, the interface preferred by many open source developers and users.

Coding on a computer

Reorganize your data in a format that makes sense to you—right from the Linux, BSD, or Mac terminal—with the sort command.
people in different locations who are part of the same team

Add users (and customize their accounts as needed) with the useradd command.
Tools for the sysadmin

Binary analysis is the most underestimated skill in the computer industry.
connecting yellow dots in a maze

Learning useful Bash skills can be fun with these command line games.
Command line prompt

Save time on the command line with these essential Bash shortcuts.
Penguins walking on the beach

The chgrp and newgrp commands help you manage files that need to maintain group ownership.
bash logo on green background

Improve your shell game by upgrading from Bash to Z-shell.
computer screen

Get the details on what's inside your computer from the command line.