On Thursday 25 November 2004 10:25, Ow Mun Heng wrote: > /dev/sda: > Timing buffer-cache reads: 2416 MB in 2.00 seconds = 1208.18 MB/sec > Timing buffered disk reads: 444 MB in 3.02 seconds = 146.90 MB/sec Try something like this: [root@dugong ~]# time dd if=/dev/hda bs=$((1024*1024)) count=1024 of=/dev/null 1024+0 records in 1024+0 records out real 0m47.263s user 0m0.015s sys 0m8.855s [root@dugong ~]# and do your own arithmetic. -- Cheers John
