First shell to be developed; includes wildcards, basic command language.
Also available in a
restricted version.
C shell (/bin/csh)
Different language syntax from Bourne and Korn shell family (similar
to the C programming language). Includes
command history recall (reuse of recently issued commands without
retyping them), aliases (defining alternative names
for commands), and limited ability to redirect input and output.
Korn shell (/bin/ksh)
Compatible superset of Bourne shell facilities; includes
command history editing (editing and reissuing previously typed
commands interactively) and aliases. In addition, supports
job control (manipulation of background processes),
and extended language syntax. Recommended shell.
Also available in a
restricted version.