Source : Free On-Line Dictionary of Computing

tcsh
     
         A {Unix} {shell} by Christos Zoulas
        , based on {csh}.  tcsh adds
        {WYSIWYG} command line editing, command name {completion},
        input {history} and various other features.
     
        Version 6.04 runs under many versions of {Unix} and under
        {OpenVMS}.
     
        {(ftp://ftp.spc.edu/)}.
     
        (1993-07-09)