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32 lines
706 B
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32 lines
706 B
Markdown
# The `whatis` command
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The `whatis` command is used to display one-line manual page descriptions for commands.
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It can be used to get a basic understanding of what a (unknown) command is used for.
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### Examples of uses:
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1. To display what `ls` is used for:
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```
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whatis ls
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```
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2. To display the use of all commands which start with `make`, execute the following:
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```
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whatis -w make*
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```
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### Syntax:
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```
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whatis [-OPTION] [KEYWORD]
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```
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### Additional Flags and their Functionalities:
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|**Short Flag** |**Long Flag** |**Description** |
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|:---|:---|:---|
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|`-d`|`--debug`|Show debugging messages|
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|`-r`|`--regex`|Interpret each keyword as a regex|
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|`-w`|`--wildcard`|The keyword(s) contain wildcards| |