Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!ukma!wuarchive!cs.utexas.edu!uunet!auspex!guy
From: guy@auspex.auspex.com (Guy Harris)
Newsgroups: comp.unix.questions
Subject: Re: sbrk(2) question
Message-ID: <6557@auspex.auspex.com>
Date: 11 Mar 91 19:19:12 GMT
References: <1991Mar8.180132.12025@Think.COM> <2038@necisa.ho.necisa.oz.au>
Organization: Auspex Systems, Santa Clara
Lines: 7

>You'd hope that other paging systems would use the same scheme.  It's
>simple and it makes sense.

Yup, BSD and the SunOS 4.x/System V Release 4 VM system (which is
different from the paging S5R2/S5R3 system described) also give you
zero-fill-on-demand pages when you "sbrk()".  V6, V7 and non-paging S3
and S5 zeroed the data out explicitly, as I remember.