A number of Linux distributions have moved to the BSD-licensed dash[1] for running their system initialization scripts, as it's noticeably faster than bash (res

A number of Linux distributions have moved to the BSD-licensed dash[1] for running their system initialization scripts, as it's noticeably faster than bash (resulting in faster boot times). Ubuntu made this change back in 2006 [2][3], and Debian switched to dash for Debian Squeeze. Bash is still the default user shell on those systems, though. [1]: https://en.wikipedia.org/wiki/Debian_Almquist_shell https://en.wikipedia.org/wiki/Debian_Almquist_shell [2]: http://lwn.net/Articles/343924/ http://lwn.net/Articles/343924/ [3]: https://wiki.ubuntu.com/DashAsBinSh https://wiki.ubuntu.com/DashAsBinSh