Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...

If you write a bash script that nobody else can understand, you're going to own that thing for the rest of your life too. Perl is really your answer here. They don't call it "the Swiss army chainsaw" ...

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

If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start. Creating a script on a Unix or Linux system can be dead easy or ...

Developing bash scripts lets you do a lot of work with little or no effort. This bash command cheat sheet will help you get started. Developing scripts in bash (short for Bourne-Again SHell) can be a ...

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 ...

Shell programming is fun. But so is Python. People with the background of C, or most importantly people who use windows won’t agree. People often tend to prefer using a graphical based interface than ...

In Bash, a hash is a data structure that can contain many sub-variables, of the same or different kinds, but indexes them with user-defined text strings, or keys, instead of fixed numeric identifiers.

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 ...