Debugging in Mac OS X.

dtruss.

$ dtruss df -h # run and examine the "df -h" command $ dtruss -p 1871 # examine PID 1871 $ dtruss -n tar # examine all processes called "tar"

$ man -k dtrace
$ dapptrace

See:

http://en.wikipedia.org/wiki/Dtrace

Wikipedia home page.

Log files generated by ktrace are viewable in human-readable form using kdump.

Since Mac OS X 10.5 Leopard, ktrace has been replaced by dtrace.

http://en.wikipedia.org/wiki/Ktrace

Wikipedia home page.