Although the GPS was originally intended for use by the military, in peace time it has given rise to applications that were heretofore limited to science fiction.
The Graphical Desktop Korn Shell (DtKsh) is a featured part of the Common Desktop Environment (CDE). DtKsh provides a consistent and reliable graphical Motif shell language that is supported on all CDE-compliant systems.
The Yorick Programming Language Yorick is an interpreted language for numerical analysis used by scientist on machines from Linux laptops to Cray supercomputers.