Date: Mon, 28 Jan 2002 15:49:45 -0700 (MST) From: Ronald G Minnich <rminnich@lanl.gov> To: "DOROVSKOY,IGOR (A-Portsmouth,ex1)" <igor_dorovskoy@agilent.com> Cc: 'Andrew Boothman' <andrew@cream.org>, <hackers@FreeBSD.ORG> Subject: RE: OS Textbook FreeBSD Appendix Message-ID: <Pine.LNX.4.33.0201281546400.22257-100000@snaresland.acl.lanl.gov> In-Reply-To: <0D9185CE635BD511ACA50090277A6FCF13599A@axcs18.cos.agilent.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 28 Jan 2002, DOROVSKOY,IGOR (A-Portsmouth,ex1) wrote: > I've took a brief look on Unix presentation and was wondering, why author > says that "...most Unix systems have not permitted shared memory because > the PDP-11 hardware did not encourage it..."? where'd they get this? that's an odd statement. Shared memory was used all the time on Unix on -11s, that's the whole point of the shared text a.out format. Of course shared read-only text is not exactly the standard shared memory, but at the same time it shows feasibility. The address space was so small though that other mechanisms were used. ron To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.LNX.4.33.0201281546400.22257-100000>