usefulgeek » dd http://www.usefulgeek.com/blog rants, reviews and kind hearted messages from some geeks Mon, 19 Jul 2010 16:48:21 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Creating empty files in Linux http://www.usefulgeek.com/blog/2009/03/creating-empty-files-in-linux/ http://www.usefulgeek.com/blog/2009/03/creating-empty-files-in-linux/#comments Fri, 27 Mar 2009 20:14:42 +0000 jonmoore http://www.usefulgeek.com/blog/?p=84
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    • Related posts brought to you by Yet Another Related Posts Plugin.]]>     I had a need for several files of various sizes to do some network testing with.  I found a very good us for dd here.

    dd if=/dev/zero of=10mb-file.bin bs=1024k count=n

    Using the above command (and replacing n for a value) allows the creation of empty files with the size specificed. Need a 10Mb file, n = 10. Need a 100Mb file… n = 100. You get the idea.

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