This is a showcase of my recent shell project I did for my Operating Systems class. This project could still require a lot of debugging. In fact half of the project is testing and debugging. But also even getting things up and running took forever. I had to implement features such as ls, cd, environment variables, local variables, variable replacement, displaying variables, history, redirection, and also making sure if something goes wrong it doesn't stop the shell. I learned a lot about how to make complex software from this project and also a lot about what it means to test. There are so many edge cases that can screw up your program. Sometime in the future I might make a video explaining how you can make your own shell!