Daemons are essential Linux programs performing tasks. systemd's ;systemctl provides procedures to manage, start, or stop them efficiently. Daemons were inspired by Maxwell's Demon concept in physics.

The command line isn't required when using Linux. To truly maximize your Linux experience, you should still learn it. Some commands are more useful than others. Before we begin, I want to be clear: ...

You can use the stat command to view dates and times associated with Linux files, and the date command can do some handy conversions if you’d like to display the current time in the epoch format.