$ curl cheat.sh/

# 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

$

Follow @igor_chubin cheat.sh tldr