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fallocate: add page #2089

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May 6, 2018
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fallocate: add page
fuerbringer May 5, 2018
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fallocate: add braces
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fallocate: consistent description
fuerbringer May 6, 2018
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16 changes: 16 additions & 0 deletions pages/linux/fallocate.md
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# fallocate

> Reserve or deallocate disk space to files.
> The utility allocates space without zeroing.

- Reserve a file taking up 700MB of disk space:

`fallocate --length {{700M}} {{path/to/file}}`

- Shrink an already allocated file by 200MB:

`fallocate --collapse-range --length {{200M}} {{path/to/file}}`

- Shrink 20MB of space after 100MB in a file:

`fallocate --collapse-range --offset {{100M}} --length {{20M}} {{path/to/file}}`