tldr/pages/linux/apt-file.md

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# apt-file
> Search for files in apt packages, including ones not yet installed.
> More information: <https://manpages.debian.org/latest/apt-file/apt-file.1.html>.
- Update the metadata database:
`sudo apt update`
- Search for packages that contain the specified file or path:
`apt-file {{search|find}} {{part/of/filename}}`
- List the contents of a specific package:
`apt-file {{show|list}} {{package_name}}`
- Search for packages that match the regular expresssion given in `pattern`:
`apt-file {{search|find}} --regexp {{pattern}}`