2019-02-24 16:47:41 +01:00
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# fallocate
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2018-05-06 15:08:41 +02:00
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> Reserve or deallocate disk space to files.
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> The utility allocates space without zeroing.
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2021-07-09 16:45:55 +02:00
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> More information: <https://manned.org/fallocate>.
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2018-05-06 15:08:41 +02:00
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2021-08-15 19:59:09 +02:00
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- Reserve a file taking up 700 MiB of disk space:
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2018-05-06 15:08:41 +02:00
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`fallocate --length {{700M}} {{path/to/file}}`
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2021-08-15 19:59:09 +02:00
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- Shrink an already allocated file by 200 MiB:
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2018-05-06 15:08:41 +02:00
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`fallocate --collapse-range --length {{200M}} {{path/to/file}}`
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2021-08-15 19:59:09 +02:00
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- Shrink 20 MB of space after 100 MiB in a file:
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2018-05-06 15:08:41 +02:00
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`fallocate --collapse-range --offset {{100M}} --length {{20M}} {{path/to/file}}`
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