1The following is a demonstration of the rwbypid.d script, 2 3 4Here we run it for a few seconds then hit Ctrl-C, 5 6 # rwbypid.d 7 Tracing... Hit Ctrl-C to end. 8 ^C 9 PID CMD DIR COUNT 10 11131 dtrace W 2 11 20334 sshd W 17 12 20334 sshd R 24 13 1532 Xorg W 69 14 1659 mozilla-bin R 852 15 1659 mozilla-bin W 1128 16 1532 Xorg R 1702 17 18In the above output, we can see that Xorg with PID 1532 has made 1702 reads. 19 20