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truncate: add example (#6038)

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Fazle Arefin 2021-05-25 04:48:17 +10:00 • committed by GitHub
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pages/common/truncate.md
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@ -5,16 +5,20 @@
- Set a size of 10 GB to an existing file, or create a new file with the specified size: - Set a size of 10 GB to an existing file, or create a new file with the specified size:
`truncate -s {{10G}} {{filename}}` `truncate --size {{10G}} {{filename}}`
- Extend the file size by 50M, fill with holes (which reads as zero bytes): - Extend the file size by 50M, fill with holes (which reads as zero bytes):
`truncate -s +{{50M}} {{filename}}` `truncate --size +{{50M}} {{filename}}`
- Shrink the file by 2GiB, by removing data from the end of file: - Shrink the file by 2GiB, by removing data from the end of file:
`truncate -s -{{2G}} {{filename}}` `truncate --size -{{2G}} {{filename}}`
- Empty the file's content: - Empty the file's content:
`truncate -s 0 {{filename}}` `truncate --size 0 {{filename}}`
- Empty the file's content, but do not create the file if it does not exist:
`truncate --no-create --size 0 {{filename}}`