The following is a demonstration of the minfbypid.d script, Here we run it for a few seconds then hit Ctrl-C, # minfbypid.d Tracing... Hit Ctrl-C to end. ^C PID CMD MINFAULTS 11021 dtrace 54 11023 ls 56 11024 df 57 11023 bash 75 11022 bash 75 11024 bash 76 11022 find 91 In the above output, we can see that each of the bash shells had about 75 minor faults each. Minor faults are an indication of memory consumption.