C Shell Bourne Shell Return to the Academic Services Documents Introduction A shell is the interface between HP-UX and the user. The different types of shells available on frank are Bourne, C, Korn, Posix, and Key shell.
Bourne shell is the oldest shell and is a command interpreter.
Users comfortable with a command-line driven shell can use Bourne shell. C shell is like C programming language. A C programmer can start with C shell. Korn shell is faster, compatible with most Bourne shell features, and has interactive features like C shell. Key shell is a softkey interface to the Korn shell and is comfortable to new users.