Computer History Notes - Herong's Tutorial Notes - v3.13, by Herong Yang
What Is Tcsh
This section provides a quick introduction of Tcsh - C shell with file name completion and command line editing.
What Is Tcsh? - Tcsh is an enhanced version of C shell with file name completion and command line editing. Tcsh 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.
Table of Contents
2002 - .NET Framework Developed by Microsoft
1995 - PHP: Hypertext Preprocessor Created by Rasmus Lerdorf
1995 - Java Language Developed by Sun Microsystems
1991 - WWW (World Wide Web) Developed by Tim Berners-Lee
1991 - Gopher Protocol Created by a University of Minnesota Team
1984 - X Window System Developed a MIT Team
1984 - Macintosh Developed by Apple Inc.
1983 - "Sendmail" Mail Transfer Agent Developed by Eric Allman
►1979 - The Tcsh (TENEX C Shell) Developed by Ken Greer
Tcsh Shell Script File Examples
1978 - Bash (Bourne-Again Shell) Developed by Brian Fox
1978 - The C Shell Developed by Bill Joy
1977 - The Bourne Shell Developed by Stephen Bourne
1977 - Apple II Designed by Steve Jobs and Steve Wozniak
1976 - vi Text Editor Developed by Bill Joy
1974 - Internet by Vinton Cerf
1972 - C Language Developed by Dennis Ritchie
1971 - FTP Protocol Created by Abhay Bhushan
1970 - UNIX Operating System Developed by AT&T Bell Labs