1997 | OriginalPaper | Chapter
Shell Programs
Author : Fred Hantelmann
Published in: LINUX Start-up Guide
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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The command interpreter (shell) is the direct interface between the user and the operating system. Its task is to analyze command lines, to expand or replace some command line values, if necessary, and then either to execute an action or to start a program. The shell reads individual command lines either from a terminal or from a file.