Dash

dash is the Debian Almquist shell: a small, fast, and posix-compliant shell. It is well-suited for startup scripts, and used on Debian (and derivative distros) as replacement. As some sh scripts may have bashisms in them, it is not guaranteed to work out-of-the-box on Gentoo as replacement.

= install =

uses
Install :

configuration
To make dash your default shell, you can run: