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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

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 $).