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 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. If you want to create a script and run it in Ubuntu, a few extra steps are involved. First, ...

Using a function in bash allows you to create something in Linux that works as if it were a script within a script. Whenever the data being processed matches a set of conditions, your script can call ...

I have a bash script that needs to be able to mount/umount and write to a DVD burner. It all works when it is run as root, but even if I chmod u+s it and leave it owned as root, my other user cannot ...

Ensure only a single instance of your script is running using pgrep, lsof, or flock to prevent concurrency issues. Easily ...