proc Commands on AIX

The ptools on Solaris like pfiles, pstack, pwdx, ... are also on AIX
available when the package bos.perf.proctools is installed.

The start in AIX with proc:
# proc
proccred     procldd      procsig      procstop     procwdx     
procfiles    procmap      procstack    proctree    
procflags    procrun      procstack64  procwait