42sh

Shell based on bash.

Shell Command Language

• Quoting
  • Escape Character: \
  • Single-Quotes: '
  • Double-Quotes: "
• Redirection
  • Redirecting Input: [n]<
  • Redirecting Output: [n]>
  • Appending Redirected Output: [n]>>
  • Here-Document: [n]<<
  • Duplicating Input FD: [n]<&
  • Duplicating Output FD: [n]>&
  • Moving File Descriptors: [n]<&[digit]- and [n]>&[digit]-
• Shell Commands
  • Simple Commands: command1
  • Pipelines: command1 [ | command2 ...]
  • Lists: && and ||
• Parameters and Variables
  • Special parameters: *, ?, $, 0
  • Shell variables: ENV, HOME, IFS, PATH, PWD
• Word Expansions
  • Tilde Expansion: ~
  • Command Substitution: `command`
• Built-In
  • env, setenv, unsetenv
  • set, export, unset
  • echo
  • exit
  • cd
  • hash
  • read

Shell Line Edition

• Copy: command + C
• Paste: command + V
• Dynamic autocompletion: Tab
• Dynamic history: ▲
• Move cursor: ◀ and ▶
• Move by words: Alt + ◀ and Alt + ▶
• Move by lines: Alt + ▲ and Alt + ▼
• Go to begin and end: home and end
• Delete character: backspace and del