The Unix Heritage Society mailing list
 help / color / mirror / Atom feed
From: Paul Winalski <paul.winalski@gmail.com>
To: ron@ronnatalie.com
Cc: The Eunuchs Hysterical Society <tuhs@tuhs.org>
Subject: Re: [TUHS] Upgrading from 11/40 to 11/45 in Unix v6
Date: Mon, 31 Dec 2018 13:20:08 -0500	[thread overview]
Message-ID: <CABH=_VT804Awh+0Xoh22-m5PQCN=B-ANZged=g-KsaTJpNEHCg@mail.gmail.com> (raw)
In-Reply-To: <2bc601d4a12e$76ca3d40$645eb7c0$@ronnatalie.com>

On 12/31/18, ron@ronnatalie.com <ron@ronnatalie.com> wrote:
> Yeah, ISVTX only worked on 410 and 411 files.   It locked the text segment
> in swap.   It kind of got obsoleted by later versions that could load stuff
> direct to memory from the disk image.
>
a.out magic number 0410 is OMAGIC (separate read-only instruction and
data segments).  0413 is ZMAGIC (demand-paged executable).  What is
magic number 0411?  That one I've never heard of before.

-Paul W.

  reply	other threads:[~2018-12-31 18:20 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-31  2:25 Will Senn
2018-12-31  2:43 ` Clem cole
2018-12-31  3:31   ` Will Senn
2018-12-31 14:55     ` Clem Cole
2018-12-31 15:05       ` ron
2018-12-31 15:53         ` Clem Cole
2018-12-31 17:30           ` ron
2018-12-31 18:20             ` Paul Winalski [this message]
2018-12-31 23:36       ` [TUHS] Useful Unix tools + Usenix tapes Warren Toomey
2019-01-01  1:30         ` Clem cole
2019-01-01  1:58         ` Clem cole
2019-01-01  2:00           ` Clem cole
2019-01-01  2:08           ` Nigel Williams
2019-01-01  2:17             ` Warren Toomey
2019-01-01  8:18               ` Warren Toomey
2018-12-31  2:47 ` [TUHS] Upgrading from 11/40 to 11/45 in Unix v6 Clem cole
2018-12-31  3:08   ` Will Senn
2018-12-31  3:15     ` Clem cole
2018-12-31  6:51 Noel Chiappa
2018-12-31 15:06 ` Will Senn
2018-12-31 15:50 ` Clem Cole
2018-12-31 15:53   ` Warner Losh
2018-12-31 15:59     ` Clem Cole
2019-01-01  1:56 ` Eric Allman
2018-12-31 17:20 Noel Chiappa
2018-12-31 18:38 Noel Chiappa
2018-12-31 20:06 ` Warner Losh

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CABH=_VT804Awh+0Xoh22-m5PQCN=B-ANZged=g-KsaTJpNEHCg@mail.gmail.com' \
    --to=paul.winalski@gmail.com \
    --cc=ron@ronnatalie.com \
    --cc=tuhs@tuhs.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).