dash

Debian Almquist Shell, a modern, POSIX-compliant implementation of sh (not Bash-compatible). More information: https://manned.org/dash.

• Start an interactive shell session:
  dash
• Execute specific [c]ommands:
  dash -c "{{echo 'dash is executed'}}"
• Execute a specific script:
  dash {{path/to/script.sh}}
• Check a specific script for syntax errors:
  dash -n {{path/to/script.sh}}
• Execute a specific script while printing each command before executing it:
  dash -x {{path/to/script.sh}}
• Execute a specific script and stop at the first [e]rror:
  dash -e {{path/to/script.sh}}
• Execute specific commands from stdin:
  {{echo "echo 'dash is executed'"}} | dash