42sh is a complete POSIX-compliant alternative for /bin/sh and /bin/bash.
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42sh is a small posix-compliant shell made as a school project. Its goals are the following features :

  • A fully interactive command line (that does not use ncurses)
  • A hash table
  • A tab support (based on the one in oh-my-zsh)
  • Arithmetic expressions
  • Full shell scripting features
  • A history you can search through very quickly
  • Multiple builtins
  • Custom prompt generation … and many more !