Linux is one of the popular operating systems and has seen wide adoption across the globe. It is an open-source, Unix-based operating system with many distributions for computers, embedded systems, ...

There's a lot to learn about image files on the command line, from verifying file format to finding out where and when photos were taken and maybe even getting an unusual view of what they look like.

The Linux command line offers some very useful tools to enable you to perform mathematical calculations. This post runs through a series of commands you can use and demonstrates some techniques for ...

Sed is a non-interactive text editor that operates on piped input or text files. By providing it with instructions, you can make it modify and process text in files or streams. The most common use ...

As a relatively isolated junior sysadmin, I remember seeing answers on Experts Exchange and later Stack Exchange that baffled me. Authors and commenters might chain 10 commands together with pipes and ...