Linux Shell in C

Simple Linux shell written in C.

What Does It Do?

• Executes built-in commands:
  • cd
  • help
  • exit
  • pwd
  • history
  • ! (previous command)
  • !n (nth previous command)
• Executes external commands by forking child process.

Built With

• C
• Linux Ubuntu

Usage

Compile shell.c from Linux terminal

$ gcc -o shell shell.c

Execute the program

$ ./shell

You are now in the shell

>> help
>> pwd
>> [...]
>> exit

Author

Laura Kocubinski laurakoco

Acknowledgments

• Boston University MET Master of Science Computer Science Program
• MET CS 575 Operating Systems
• https://brennan.io/2015/01/16/write-a-shell-in-c/