GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

This is a very simple UNIX shell written in C for the Operating Systems course at the University of South Florida. It runs most of the basic LINUX/UNIX shell commands and can be compiled by dropping ...

pipecheck inspects the execution status of each command in a Unix pipeline. It captures exit codes, displays commands, and provides a clear visual representation of where errors or issues occur in ...

Simply put, environment variables are variables that are set up in your shell when you log in. They are called “environment variables” because most of them affect the way your Unix shell works for you ...

One particular frustration with the UNIX shell is the inability to easily schedule multiple, concurrent tasks that fully utilize CPU cores presented on modern systems. The example of focus in this ...

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 ...