From: Jason Thorpe <thorpej@nas.nasa.gov>
	
	...besides, with demand-paged executables and shared libraries,
	running multiple copies of pppd probably isn't all that bad... the
	text of all copies of pppd and libraries will be shared...

Is this really true?  I had though that the link patching done by ld.so
actually meant that many pages of a "shared" library ended up being
duplicated by copy-on-write.

Dave Eckhardt
davide@cs.cmu.edu