cshell

Not a seashell ⛵🐚

cshell screenshot

What is this

cshell is an alternative to the standard sh shell written entirely in c and all in a single file within ~500 LOC.

It supports pipes, redirections, history, and more. Comes with a customized prompt.

Inspiration

Most Operating Systems classes have a project for creating a shell. I never got to around to do that. This is my shot at creating my own shell.

Prerequisites

Before you begin, ensure you have met the following requirements:

• You have installed the latest version of gcc, make

Getting cshell

To install cshell, follow these steps:

git clone https://github.com/2kabhishek/cshell
cd cshell
make cshell

Using cshell

You can link the cshell executable to your $PATH or just run it from the command line.

./cshell

This will start the shell and display the a help message along with the prompt. You can use it like any other shell.

How it was built

cshell was built using c

Challenges faced

• Struggled somewhat in the begining to handle signals, but eventually got it working.

What I learned

• Learned a lot about c and it's different syscalls.
• Understood the internal workings pipes and redirections.

What's next

Clean up the code and make it more readable, add more features, and make it more robust.

Hit the ⭐ button if you found this useful.

More Info

Source | Website