You use the chmod command to set each of these permissions. To see what permissions have been set on a file or directory, we ...

When I need to work with Linux user accounts, I tend to default to the command line. Sure, there are GUIs for this purpose, but I find the command line to be more efficient and effective at this task.

The first command we’ll examine in this post is a very unusual awk command that systematically removes every line in the file that is encountered more than once. It leaves the first instance of the ...

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

In Linux systems, including Debian 12, the sudo group grants users the ability to execute administrative commands. This provides them with the privileges to install, update, and delete software, ...

User accounts can be assigned to one or more groups on Linux. You can configure file permissions and other privileges by group. For example, on Ubuntu, only users in the sudo group can use the sudo ...