$ dd if=/dev/zero of=~/test.bin bs=1M count=1000 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 3.84267 s, 273 MB/s
root@hackerboosblog:~# dd if=/dev/zero of=~/test.bin bs=1M count=1000 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 3.11193 s, 337 MB/s
[root@srv3 joe]# dd if=/dev/zero of=~/test.bin bs=1M count=1000 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 0.310283 s, 3.4 GB/s
[root@joe2 ~]# dd if=/dev/zero of=~/test.bin bs=1M count=1000 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 0.967834 s, 1.1 GB/s