Scripting and Shell Programming
The following commands include shells and programs useful in shell scripts.
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bash
Bourne Again shell (default).
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csh
C shell.
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echo
Repeats command-line arguments on standard output.
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expr
Performs arithmetic and comparisons.
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line
Reads a line of input.
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lockfile
Makes sure that a file is accessed by only one script at a time.
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perl
Practical Extraction and Report Language, Version 5.8.1 RC3.
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php
PHP scripting language Version 4.3.2, used for web development.
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printf
Formats and prints command-line arguments.
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python
Python scripting language, Version 2.3.
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ruby
Ruby scripting language, Version 1.6.8.
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sh
Standard Unix shell.
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sleep
Causes a pause during processing.
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tclsh
Tool Command Language (Tcl) shell, Version 8.4.
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tcsh
Tenex C shell.
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test
Command that tests a condition.
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xargs
Command that reads arguments from standard input and passes them to a command.
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zsh
Enhanced Unix shell.
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