shell-from-scratch

Build a small and simple shell from scratch to learn UNIX/LINUX system programming.

Why?

• I use Linux and bash/zsh every day.
• But I don't know exactly how it works.
• I want to learn Linux system programming by building a small and simple shell from scratch.

Background knowledge

• Introduction to Shell
  • Wikipedia : Shell_(computing)

Progress

• 2018-11-23 Add parse_and_execute(), execute(), get_token() to execute something.
• 2018-11-08 Print cwd(current working directory) in absolute path, current username, current privilege(# or $).