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tldr/pages/common/truncate.md
bl-ue 8ebd171d6f
*: fix typos reported by Hunspell (#5848)
Co-authored-by: marchersimon <50295997+marchersimon@users.noreply.github.com>
Co-authored-by: Seth Falco <seth@falco.fun>
Co-authored-by: Patrice Denis <patricedenis@users.noreply.github.com>
2021-05-20 16:13:41 -04:00

546 B

truncate

Shrink or extend the size of a file to the specified size. More information: https://www.gnu.org/software/coreutils/truncate.

  • Set a size of 10 GB to an existing file, or create a new file with the specified size:

truncate -s {{10G}} {{filename}}

  • Extend the file size by 50M, fill with holes (which reads as zero bytes):

truncate -s +{{50M}} {{filename}}

  • Shrink the file by 2GiB, by removing data from the end of file:

truncate -s -{{2G}} {{filename}}

  • Empty the file's content:

truncate -s 0 {{filename}}