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tldr/pages/common/truncate.md
Nir Elbaz 4e5395df2c Update truncate.md (#3710) 
* Update truncate.md

Empty a file's content command, fix missing closing bracket on "Shrink the file by 2GiB" example.

* Add missing empty line and fix the article

Co-authored-by: Zlatan Vasović <zlatanvasovic@gmail.com>
2019-12-30 13:41:06 +01:00

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truncate

Shrink or extend the size of a file to the specified size.

  • Set a size of 10 GB to an exsting 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}}