Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!zaphod.mps.ohio-state.edu!usc!snorkelwacker!husc6!encore!pinocchio.encore.com From: jdarcy@pinocchio.encore.com (Jeff d'Arcy) Newsgroups: comp.arch Subject: Re: Why fork? (long, was Re: IBM PC prehistory) Message-ID: <10904@encore.Encore.COM> Date: 18 Jan 90 23:20:06 GMT References: Sender: news@Encore.COM Lines: 9 peter@ficc.uu.net (Peter da Silva): . And of course once you have a VM system fork() is just fine and vfork() is . a meaningless optimisation. Just mark all the data pages copy-on-write. So . why didn't they put vfork() in 2BSD? Not all VM systems have copy-on-write. Jeff d'Arcy OS/Network Software Engineer jdarcy@encore.com Encore has provided the medium, but the message remains my own