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tldr/pages/common/apropos.md

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# apropos
> Search the manual pages for names and descriptions.
> More information: <https://manned.org/apropos>.
- Search for a keyword using a regular expression:
`apropos {{regular_expression}}`
- Search without restricting the output to the terminal width ([l]ong output):
`apropos {{[-l|--long]}} {{regular_expression}}`
- Search for pages that match all the expressions given:
`apropos {{regular_expression_1}} {{[-a|--and]}} {{regular_expression_2}} {{[-a|--and]}} {{regular_expression_3}}`