On Fri, Feb 01, 2002 at 03:22:51PM +0800, Jason Lim wrote: > Hi, > > Just wanted to know... how do I make a file with all 1s or 0s or something > with a certain size (eg. 100Mb)? > > I was thinking 'dd something' but there is probably a better way?
dd if=/dev/zero of=bigfile bs=1024k count=100 will create a file of all zeros. This isn't terribly useful :) dd if=/dev/random of=bigfile bs=1024k count=100 will create a big file filled with random data, but it takes a long time. (Maybe it's /dev/urandom? Been a while since I did that for bandwidth testing). -- Nathan Norman - Staff Engineer | A good plan today is better Micromuse Ltd. | than a perfect plan tomorrow. mailto:[EMAIL PROTECTED] | -- Patton
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