Don't expose your system with sloppy scripts! Although a Linux desktop or server is less susceptible to viruses and malware than a typical Windows device, there isn't a device on the internet that isn ...

Enable the Linux terminal on any Android device, and you can create or practice your bash scripting on the go.

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

If you often find yourself writing scripts from scratch when you know you wrote something similar not all that long ago, maybe it’s time to make your scripts a bit more reusable. The usefulness of an ...

Imagine that you want to output multiple lines of text in Bash, or any shell script. Maybe it’s for a help string for a particularly convoluted shell script you’re writing. You could have a separate ...

Each Linux command returns an exit code, with 0 indicating success and non-zero values indicating failure. You can use the $? variable to access the exit code and control program flow in scripts. Be ...

If you ever think about it, computers are exceedingly stupid. Even the most powerful CPU can’t do very much. However, it can do what it does very rapidly and repeatably. Computers are so fast, they ...

While Linux systems install with thousands of commands, bash also supplies a large number of “built-ins”—commands that are not sitting in the file system as separate files, but are part of bash itself ...