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# fadvise
> Control Linux file caching behavior.
> See also: `fincore`.
> More information: <https://manned.org/fadvise>.
- Preload a file or directory into cache:
`fadvise {{[-a|--advice]}} willneeded {{path/to/file_or_directory}}`
- Suggest dropping a file from cache:
`fadvise {{path/to/file}}`
- Display help:
`fadvise {{[-h|--help]}}`