The eval command allows you to run the contents of variables as commands and can be very useful -- especially in scripts.

At the same time, echo has quite a few uses that many of us never take advantage of. So, this post looks into the many ways you can use this command. What is the echo command on Linux?

Function b has no difficulty reading and even setting variable x. The Answer, Of Source Course The answer to the first problem is to use the source command (which can be either the word source or ...

FFmpeg was designed as a cross-platform solution for video and audio recording, conversion, and streaming using simple static command lines. Using variables and 'for loops' in a command string ...

Linux is powerful, flexible, and can do just about anything. However, to really get the most out of Linux and your computer (s), there are certain skills and habits you need to bolster; otherwise, you ...

I often profess that Linux can be used without the command line, but at some point, you might want to learn it anyway. When you do, consider these commands.