grep

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1 grep
1 ****
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1 ‘grep’ prints lines that contain a match for a pattern.
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1    This manual is for version 3.1 of GNU Grep.
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1    This manual is for ‘grep’, a pattern matching engine.
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1    Copyright © 1999-2002, 2005, 2008-2017 Free Software Foundation, Inc.
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1      Permission is granted to copy, distribute and/or modify this
1      document under the terms of the GNU Free Documentation License,
1      Version 1.3 or any later version published by the Free Software
1      Foundation; with no Invariant Sections, with no Front-Cover Texts,
1      and with no Back-Cover Texts.  A copy of the license is included in
1      the section entitled “GNU Free Documentation License”.
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Menu

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· Introduction                Introduction.
· Invoking                    Command-line options, environment, exit status.
· Regular Expressions         Regular Expressions.
· Usage                       Examples.
· Performance                 Performance tuning.
· Reporting Bugs              Reporting Bugs.
· Copying                     License terms for this manual.
· Index                       Combined index.
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