The server supports a number of different program shells. These include the Qshell, Bourne, Korn, and C Shell.
i5/OS PASE shells and utilities
i5/OS(TM) Portable Application Solutions Environment (PASE) includes three shells (Korn, Bourne, and C Shell) and over 200 utilities that run as i5/OS PASE programs. i5/OS PASE shells and utilities provide an extensible scripting environment that includes a large number of industry-standard and defacto-standard commands.
Qshell
Read about this standards-based command interpreter that enables a common development environment. Use Qshell to work with standard Java(TM) commands and Java development utilities from the server.