Ksh
From FreeBSDwiki
The Korn Shell, written by David G. Korn at AT&T Bell Labs. Find it at /bin/ksh but only after you install it via ports or sysinstall because it's not installed by default.
The Korn Shell, written by David G. Korn at AT&T Bell Labs. Find it at /bin/ksh but only after you install it via ports or sysinstall because it's not installed by default.