Knowing how to work with and display exit codes on the Linux command line or in scripts can help make errors more obvious. Exit codes on the Linux command line are numeric values that provide feedback ...

Linux runs on hardware as diverse as the Raspberry Pi and powerful supercomputers, making it a flexible choice of operating system. Linux can be used via a graphical user interface similar to Windows ...

Sudo lets you run any terminal command as another user — hence "substitute user" — but the default and most common use for it ...

Linux offers a couple of easy ways to record commands you type so that you can review or rerun them. Recording the commands that you run on the Linux command line can be useful for two important ...

Working on the command line is an integral part of being a successful Linux user. You need to have a firm grasp of certain commands to work effectively. There are even certain commands that you must ...

Linux is constantly evolving, and with it the tools that its fans use on a daily basis. However, some of the classics such as iptables , which has been replaced by nftables , are now not only outdated ...