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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Create a large file filled with zeros on Linux – twm’s blog

Posted by jpluimers on 2020/04/13

Interesting read as there are at least 3 options of which I only knew the first (dd): [WayBackCreate a large file filled with zeros on Linux – twm’s blog.

  • dd (fully allocated storage; zeros, random or another data source)
  • truncate (sparse storage; always gets zeros)
  • fallocate (fully allocated storage; always gets zeros)


via: [WayBack] Sometimes you need a large file for testing purposes or just to take up space that should not be available on the file system. There are several options… – Thomas Mueller (dummzeuch) – Google+

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