carta

rbash(1) on Linux

The text 4da78bcd1603, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.

restricted bash, see bash(1)

rbash(1) on Linux now