Linux Journal, representing 25+ years of publication, is the original magazine of the global Open Source community.

Shell scripting is one of those skills that are absolutely invaluable on especially UNIX and BSD-based systems like the BSDs, the two zillion Linux distributions as well as MacOS. Yet not every shell ...

Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.

For Linux users, the command line is a celebrated part of our entire experience. Unlike other popular operating systems, where the command line is a scary proposition for all but the most experienced ...

It is no secret that we often use and abuse bash to write things that ought to be in a different language. But bash does have its attractions. In the modern world, it is practically everywhere. It can ...

I'm passing a file to my script and then I need to get into a for loop until all the lines are read and manipulated, but what was the simple syntax for reading each line of the inputed file? (assuming ...