What Is Tcsh?

This section provides a quick introduction of Tcsh - C shell with file name completion and command line editing.

Tcsh - C shell with file name completion and command line editing is a Unix shell introduced by Ken Greer in 1979 at Carnegie Mellon University.

The 'T' in Tcsh comes from the T in TENEX, an operating system created at Bolt, Beranek & Newman for DEC PDP-10 computers. The command completion feature and other features implemented in TENEX inspired Ken Gereer to extend the C shell with file name completion and command line editing features.

The latest version of Tcsh has the following main features added to the C shell:

The picture below shows the DEC PDP-10 computer and memory pager used at BBN running TENEX - A Paged Time Sharing Operating System (Source: www.bbn.com). The 'T' in Tcsh comes from the 'T' in TENEX.
PDP-10 and TENEX Operating System

Table of Contents

 About This Book

 1957 - FORTRAN Language Developed by IBM

 1970 - UNIX Operating System Developed by AT&T Bell Labs

 1971 - FTP Protocol Created by Abhay Bhushan

 1972 - C Language Developed by Dennis Ritchie

 1976 - vi Text Editor Developed by Bill Joy

 1977 - Apple II Designed by Steve Jobs and Steve Wozniak

 1977 - The Bourne Shell Developed by Stephen Bourne

 1978 - The C Shell Developed by Bill Joy

 1978 - Bash (Bourne-Again Shell) Developed by Brian Fox

1979 - The Tcsh (TENEX C Shell) Developed by Ken Greer

What Is Tcsh?

 Tcsh Command Line Examples

 Tcsh Shell Script File Examples

 1983 - "Sendmail" Mail Transfer Agent Developed by Eric Allman

 1984 - Macintosh Developed by Apple Inc.

 1984 - X Window System Developed a MIT Team

 1991 - WWW (World Wide Web) Developed by Tim Berners-Lee

 1991 - Gopher Protocol Created by a University of Minnesota Team

 1995 - Java Language Developed by Sun Microsystems

 1995 - PHP: Hypertext Preprocessor Created by Rasmus Lerdorf

 2002 - .NET Framework Developed by Microsoft

 References

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