Library /sys$common/syshlp/ctf$help.hlb ATTACH, /IDENTIFICATION  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  /IDENTIFICATION=PID

 	Specifies the process identification of the process to which
 	control is to be transferred.

 	If you use this qualifier, you cannot specify either the
 	/PARENT qualifier or the process-name parameter.