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Linux operating system allows users to create commands and execute them over the command line. To create a command in Linux, the first step is to create a bash script for the command. The second step ...

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

Learn how to add, delete, and grant sudo privileges to users in Red Hat Enterprise Linux (RHEL), AlmaLinux and Rocky Linux.

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