December 18, 2009

How can I create a file of a certain size in Windows?

If you need to create a file of a certain size and the file contents don't matter, you can use the Fsutil command as follows:

fsutil createnew

For example,

fsutil file createnew d:\temp\1mbfile.txt 1000000

creates a 1MB file named 1mbfile.txt in the d:\temp folder.

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