Graphical User Interface

Implemented using TCL (Tool Command Language) by John Ousterhout, University of California, Berkeley.

command language interpreter -- tcl-shell

User Interface generated as TCL scripts which are interpreted

No compilation - Just edit script source file and execute or simply type or paste commands into the tcl shell window

Development is VERY FAST

Extensions provided within tcl-shell for

• XView interface --- xv

• Eurogram interface --- eg