Many Linux commands can do more than you might think. The usermod command is one such command, and it can be very handy.

There’s a new Linux security tool you should be aware of — Cmd (pronounced “see em dee”) dramatically modifies the kind of control that can be exercised over Linux users. It reaches way beyond the ...

You can check user groups in Linux with commands like groups, id, getent, and /etc/group to manage permissions easily.