I have updated the program, added support for >2G on 32bit machines, and
tests for file creation.
Licensed under the GPL version 2.0.
NB The results of running this program on live server machines can include extremely bad performance of server processes, and excessive consumption of disk space and/or Inodes which may cause the machine to cease performing it's designated tasks. Also the benchmark results are likely to be bad.
Do not run this program on live production machines.