Create big files with dd

Thu 28 July 2016

Use dd in Unix to create files with a size of 2.7 GB.

#!/bin/ksh
dir=/this/is/my/outputdir/
numGig=2.7
factor=1024
memLimit=$(expr $numGig*$factor*$factor*$factor | bc)
cd $dir
for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ; do
   dd if=/dev/urandom of=dummy_$i.xml count=204800 bs=$factor
done

shell