The Unix Shell - Part II
Introduction,Standard Input and Output.Introduction
At first glance many people think the Unix Shell is a more cryptic version of the MS-Windows/DOS command prompt. However, the Unix shell can do much more than launch programs and copy files. Sequences of commands can be strung together in "Shell Scripts" to automate tedious or repetitive tasks. Unix systems provide a series of tools that are helpful when writing shell scripts. Typically each tool performs a specific task, accepting input from the "standard input" source and sending its output to the "standard output source".Standard Input and Output
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