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Unix shell - Wikipedia, the free encyclopedia
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6. This can be done via the shells programmable completion mechanism. 7. Only by specifing a file via the ENV environment variable. How to change your shell If you ever look at a UNIX manual page it will say that to change your shell use chsh or passwd -s;
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unix-faq/shell/intro; Subject: Welcome to comp.unix.shell [Frequent posting]; Maintainer: tmatimar@isgtec.com (Ted Timar); Last Posted: 11 May 2004 10:50:02 GMT; Version: $Id: intro,v 2.4 1995/03/28 14:14:12 tmatimar Exp $
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The shell is both a command language and a programming language that provides an interface to the UNIX operating system. This memorandum describes, with examples, the UNIX shell. The first section covers most of the everyday requirements of terminal users.
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A Unix shell is a command language interpreter, the primary purpose of which is to translate command lines typed at a terminal into system actions. The shell itself is a program through which other programs are invoked.
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A Unix / Linux Bourne (and Bash) Shell Scripting / Shell Programming Tutorial covering all the main features, with example scripts ... Local mirror of Steve Bourne's Introduction to the Unix Shell - written by the great man himself.
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Because the universal language used in UNIX is the shell, regular expressions come to play an important role when you work under any kind of operating system based on the UNIX shell. A regular expression is a text pattern matching language.
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So what do you need to know about variables inside the UNIX Shell? The Shell uses variables to store data and information. Because the universal language that the designers chose for UNIX is text strings, the value and the variable itself will be also a string.
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