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 a command and then exit:

dash -c "{{command}}"

• Execute a script:

dash {{path/to/script.sh}}

• Run commands from a script, printing each command before executing it:

dash -x {{path/to/script.sh}}

• Execute commands from a script, stopping at the first error:

dash -e {{path/to/script.sh}}

• Read and execute commands from stdin:

dash -s