[uw.mfcf.bugs] rcps is a server command, but is found under maintenance.
rbutterworth@watmath.waterloo.edu (09/29/89)
From: Ray Butterworth <rbutterworth>
% showpath find=rcps
/.software/local/.admin/bins/maintenance/rcps
The rcps man page even says it should be invoked by programs
and not by users.