The purpose of this repository is to showcase implementations of Unix commands and OS-related utilities developed as part of ...

When you test a script and see it’s exited with a return code of 3, you will easily be able to identify the commands that were being run when the script failed. Use the longer spelled out options on ...

While Linux systems install with thousands of commands, bash also supplies a large number of “built-ins”—commands that are ...

pipecheck inspects the execution status of each command in a Unix pipeline. It captures exit codes, displays commands, and ...

One thing that's always bothered me about Linux, and UNIX before it, is that there isn't a decent command-line calculator available.