5 Apr
2001
5 Apr
'01
1:43 p.m.
On Apr 5, 10:04, Warren Toomey wrote:
All,
I've received this e-mail from a student at NYU Law Department.
If any of you have copies of old Unix licenses, and your organisation
would be prepared to release copies to Greg, could you contact him.
Also, if you could send me copies of your licenses, that would be
great too. About 8 people have already done this, and I am happy to
act as a repository for this old information.
Warren, do you still have copies of mine, or do you want another set?
--
Pete Peter Turnbull
Network Manager
Dept. of Computer Science
University of York
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From Edward Brocklesby <ejb(a)leguin.org.uk> Thu
Apr 5 22:42:53 2001
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From: Edward Brocklesby <ejb(a)leguin.org.uk>
Organization: Leguin Network Services
To: pups(a)minnie.cs.adfa.edu.au
Subject: [pups] Public access 2.11BSD system
Date: Thu, 5 Apr 2001 12:42:53 +0000
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Hi all,
I've set up a free public 2.11BSD system, for anyone who wants to try it..
To create an account, just telnet to klamath.ddts.net.
I'm not sure if this is the right place to post this, but it seems
appropriate :>
-larne-
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From "Ian King" <iking(a)microsoft.com>
Fri Apr 6 06:36:56 2001
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Subject: [pups] LP on Unix 6th Ed?
Date: Thu, 5 Apr 2001 13:36:56 -0700
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I've been scratching my head over how to set up the printer in 6th
Edition UNIX. Any hints? I tried mknod'ing /dev/lp with a variety of
major device numbers and then redirecting ls to it, with no success.
The printer interface is at the "usual" address on my PDP-11/34, and
works under another OS. w
TIA -- Ian
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From John Holden <johnh(a)psych.usyd.edu.au> Fri
Apr 6 09:21:03 2001
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To: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] LP on Unix 6th Ed?
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The lp driver usually had a major device number of 2, so 'mknod /dev/lp c 2 0'
should work, but the kernel may not have been built to support line printers.
Check in /usr/sys/conf/c.c for an entry in the 'cdevsw' table for the
'lp' entries (and the major device position). If there are null entries,
either edit c.c, compile it and relink the kernel, or edit the 'run' script
in /usr/sys/conf/ and add 'lp' after the 'mkconf' (but before the
'done')
and run the script to rebuilt the kernel.
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From Cyrille Lefevre <clefevre-lists(a)noos.fr> Fri
Apr 6 14:11:56 2001
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To: Edward Brocklesby <ejb(a)leguin.org.uk>
Cc: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] Public access 2.11BSD system
References: <01040512425302.26560(a)klamath.leguin.org.uk>
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Edward Brocklesby <ejb(a)leguin.org.uk> writes:
I've set up a free public 2.11BSD system, for
anyone who wants to try it..
To create an account, just telnet to klamath.ddts.net.
would be interresting, but :
# telnet klamath.ddts.net
Trying 62.254.132.250...
telnet: connect to address 62.254.132.250: No route to host
my ip address is gits.dyndns.org (currently 212.198.231.165) and I
live in france. are there any restrictions anywhere or the machine
is down ?
Cyrille.
--
home: mailto:clefevre@poboxes.com UNIX is user-friendly; it's just particular
work: mailto:Cyrille.Lefevre@edf.fr about who it chooses to be friends with.
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From Edward Brocklesby <ejb(a)leguin.org.uk> Fri
Apr 6 19:59:33 2001
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From: Edward Brocklesby <ejb(a)leguin.org.uk>
Organization: Leguin Network Services
To: pups(a)minnie.cs.adfa.edu.au
Subject: [pups] STYX and 2.11BSD licensing
Date: Fri, 6 Apr 2001 09:59:33 +0000
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Hi all.
A couple of things..
First, sorry to post about this again so soon, but styx is moving to a new
location, so any accounts created from now on will be removed later today
when it's moved.
Second, where do I stand on /usr/src/ permissions? Can I allow read access
to it, or is that effectively distributing 2.11BSD source, against SCO's
license? Is there any way to verify who has obtained a license, and add them
to a src group?
Thanks,
-larne-
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From "Lars J. Buitinck"
<lars(a)fwn.rug.nl> Sat Apr 7 03:45:31 2001
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To: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] STYX and 2.11BSD licensing
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Couple of suggestions:
1. Make a user account that automatically replies to email by sending a
user a copy of the SCO license and an automatically generated code,
which the user should then send back to be added to the src group. I
could write a program for you.
2. Make a program that checks whether a user is in the src group, if
not displays the SCO license, asks if the user accepts the license, if
so adds the user to the src group. Problem is that this program should
be SUID...
I'll start working on the first suggested program rightaway. Don't have
much else to do anyway ;-)
Edward Brocklesby wrote:
Hi all.
A couple of things..
First, sorry to post about this again so soon, but styx is moving to a new
location, so any accounts created from now on will be removed later today
when it's moved.
Second, where do I stand on /usr/src/ permissions? Can I allow read access
to it, or is that effectively distributing 2.11BSD source, against SCO's
license? Is there any way to verify who has obtained a license, and add them
to a src group?
Thanks,
-larne-
--
If I traveled to the end of the rainbow
As Dame Fortune did intend,
Murphy would be there to tell me
The pot's at the other end.
-- Bert Whitney
Lars J. Buitinck
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From Wolfgang Helbig
<helbig(a)Informatik.BA-Stuttgart.DE> Sat Apr 7 05:59:11 2001
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Date: Fri, 6 Apr 2001 21:59:11 +0200 (CEST)
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Subject: [pups] Enhancement of SIMH-V2.5a
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Hi,
As the subject says, I enhanced the PDP-11 simulator from Robert
Supnik(V2.5a). Please tell me, if the README sounds interesting to
you. In that case, maybe we could arrange to put the tar ball on
one of minnie's disks.
Wolfgang
Here is the README:
MAR-13-01
This directory contains Robert Supnik's simulator controller V2.5a
together with the PDP-11 simulator. I modified the PDP-11 simulator.
The other simulators from the original V2.5a distribution are not
included in this directory.
The details:
Physical Addresses
------------------
The deposit and examine commands treated physical addresses as 22
bit addresses, even if the CPU was set to 18 bit addresses. Thus,
the I/O page was addressed from 17760000 to 17777776. I changed
this. Now, if the CPU is set to 18 bit, the I/O page is addressed
from 760000 to 770000.
Three additional KL11 terminal devices:
---------------------------------------
KL11 File Input (KLI0, KLI1, KLI2):
The KL11 file input (KLIx) units read from an attached file. They
implement the same registers as the KL11 terminal input (TTI).
(cf. 5.2.3 in simh_doc.txt)
KL11 File Output (KLO0, KLO1, KLO2)
The KL11 file output (KLOx) units append to an attached file. They
implement the same registers as the KL11 terminal output unit (TTI).
(cf. 5.2.4 in simh_doc.txt)
The added program ASR supplies a (host)-terminal interface to
the KLI/O attached files.
ASR is invoked as
asr kli klo .
It polls the host terminal (stdin) and appends the polled bytes
to the file kli. Furthermore it polls the file klo and copies
the polled bytes to the host terminal (stdout).
To quit asr, enter ^E.
To build asr, enter:
cc asr.c scp_tty.c
cp a.out asr
Building the pdp11-simulator:
The source code is in pdp11_kl.c. So the installation instructions in
simh_doc.txt apply.
Both asr and pdp11_kl.c is only tested on NetBSD 1.5. It hopefully
works on other UNIX-like host operating systems as well.
Example of who to to connect the file-I/O KL-devices and asr:
Start the simulator.
Attach the file kli to KLI0 and the file klo to KLO0.
Enter
asr kli klo
from another host terminal.
Now, whatever you type, goes to KLI0, and whatever is written by
KLO0 is typed onto your terminal.
Device numbers of the terminal devices in PDP11-UNIX V6:
UNIT major/minor number
TTI/TTO 0/0 (/dev/tty8, the console)
KLI0/KLO0 0/1
KLI1/KLO1 0/2
KLI2/KLO2 0/3
Synchronization of the line clock to the host clock:
---------------------------------------------------
"SYNC" is an add-on to the PDP-11 line clock device. It tries to
synchronize the Line-time Clock (CLK, cf. 5.2.6 in simh_doc.txt)
with the host time. It only works if the unsynchronized CLK runs
too fast. On every tick of CLK, the simulator then sleeps until a
total of 1/60 seconds elapsed from the last tick.
Synchronization slows down the simulator and reduces the load of
the CPU. It is turned on automatically through activation of
the CLK device. The clock device is activated through a RESET.
You can turn off synchronization by depositing '1' into the newly
added "SYNCH"-register of the CLK-unit. To turn on synchronizing,
deposit '0' into it. If synchronizing is active, the SYNCH-register
shows the host time (number of seconds elapsed since Jan 1 1970
UTC).
Have fun,
Wolfgang Helbig <helbig(a)ba-stuttgart.de>
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From Edward Brocklesby <ejb(a)leguin.org.uk> Sat
Apr 7 06:47:57 2001
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From: Edward Brocklesby <ejb(a)leguin.org.uk>
Organization: Leguin Network Services
To: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] STYX and 2.11BSD licensing
Date: Fri, 6 Apr 2001 20:47:57 +0000
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On Friday 06 April 2001 5:45 pm, Lars J. Buitinck wrote:
Couple of suggestions:
1. Make a user account that automatically replies to email by sending a
user a copy of the SCO license and an automatically generated code,
which the user should then send back to be added to the src group. I
could write a program for you.
Hmm, yes.. would it just ask them to accept the license, or direct them to
SCO's site, and get them to send back SCO's license code? I'm really not
sure of the legal issues surrounding this (or even how much it matters,
now that it only takes 5 minutes to obtain a license..)
2. Make a program that checks whether a user is in
the src group, if
not displays the SCO license, asks if the user accepts the license, if
so adds the user to the src group. Problem is that this program should
be SUID...
Locking the group file and securely updating it shouldn't be *too* hard, but
yes, I'd prefer not to have many setuid programs around (I've already done
a small audit of the code and fixed a couple of security bugs, and removed
setuid bits from as many programs as possible.. I really wouldn't want someone
to have root on it, simply because it would allow them to take any IP address
on the host's network).
I'll start working on the first suggested program
rightaway. Don't have
much else to do anyway ;-)
cheers :>
-larne-
PS- styx is down right now, it's getting it's own (100% dedicated :) box,
hosted at tele.dk.. this should be setup over the weekend, then it'll be
up and running again.
Also, if anyone wants my INET_RESTRICT kernel patch (which only allows users
in INET_GROUP to call connect()) for 2.11BSD, I can put it online somewhere
(although it's really not that difficult to implement). Also if 2.11BSD is
still being maintained, the setproctitle() vulnerability recently discovered
in 4BSD derived ftpd is still present (trivial fix - change
setproctitle(title) to setproctitle("%s", title)). I'm still going through
various 4BSD code security problems to determine which are present in 2BSD.
And lastly, if anyone wants source to the newuser program I used, I can put
that online too.
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From "Steven M. Schultz"
<sms(a)moe.2bsd.com> Sat Apr 7 09:24:19 2001
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Date: Fri, 6 Apr 2001 16:24:19 -0700 (PDT)
From: "Steven M. Schultz" <sms(a)moe.2bsd.com>
Message-Id: <200104062324.f36NOJs03847(a)moe.2bsd.com>
To: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] STYX and 2.11BSD licensing
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Hi --
From: Edward Brocklesby <ejb(a)leguin.org.uk>
(although it's really not that difficult to implement). Also if 2.11BSD is
still being maintained, the setproctitle() vulnerability recently discovered
in 4BSD derived ftpd is still present (trivial fix - change
setproctitle(title) to setproctitle("%s", title)). I'm still going
through
2.11's still maintained - I've been busy (and a bit "burned out")
and
haven't fired up the 11/73 as much as I should have or used to. So
many projects, so little time ...
Sounds like it's time to at least get the FTPD bug fixed though ;)
Steven Schultz
sms(a)to.gd-es.com
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From "Lars J. Buitinck"
<lars(a)fwn.rug.nl> Sat Apr 7 21:28:07 2001
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From: "Lars J. Buitinck" <lars(a)fwn.rug.nl>
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To: Edward Brocklesby <ejb(a)leguin.org.uk>uk>, pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] STYX and 2.11BSD licensing
References: <01040609593307.26560(a)klamath.leguin.org.uk>
<3ACE00BB.FE5D18F8(a)fwn.rug.nl> <01040620475700.00557(a)klamath.leguin.org.uk>
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Edward Brocklesby wrote:
Hmm, yes.. would it just ask them to accept the license, or direct them to
SCO's site, and get them to send back SCO's license code? I'm really not
sure of the legal issues surrounding this (or even how much it matters,
now that it only takes 5 minutes to obtain a license..)
Less than 5 minutes. I don't know when you got your license, but they
don't even give a code anymore - they just show the license, let you
click "ACCEPT" and you're in their archive. Just show 'em the
license.
Locking the group file and securely updating it
shouldn't be *too* hard, but
yes, I'd prefer not to have many setuid programs around (I've already done
a small audit of the code and fixed a couple of security bugs, and removed
setuid bits from as many programs as possible.. I really wouldn't want someone
to have root on it, simply because it would allow them to take any IP address
on the host's network).
And I don't feel like being responsible for anything bad that happens to
your box by a bug in MFSRP - My First SUID Root Program :-)
--
If I traveled to the end of the rainbow
As Dame Fortune did intend,
Murphy would be there to tell me
The pot's at the other end.
-- Bert Whitney
Lars J. Buitinck
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From Edward Brocklesby <ejb(a)leguin.org.uk> Sat
Apr 7 23:02:58 2001
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From: Edward Brocklesby <ejb(a)leguin.org.uk>
Organization: Leguin Network Services
To: "Steven M. Schultz" <sms(a)moe.2bsd.com>om>, pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] STYX and 2.11BSD licensing
Date: Sat, 7 Apr 2001 13:02:58 +0000
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On Friday 06 April 2001 11:24 pm, Steven M. Schultz wrote:
2.11's still maintained - I've been busy
(and a bit "burned out") and
haven't fired up the 11/73 as much as I should have or used to. So
many projects, so little time ...
Hm, I saw the patch archive.. which patchlevel is the 2.11_rp_unknown image
on minnie at?
There's a couple of things I'd be interested in adding to 2BSD, though I'm
not sure if they'd make it into upstream. One is the 4BSD timezones system,
which is somewhat better than setting TIMEZONE in the kernel..
-larne-
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From "Steven M. Schultz"
<sms(a)moe.2bsd.com> Sun Apr 8 03:00:01 2001
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From: "Steven M. Schultz" <sms(a)moe.2bsd.com>
Message-Id: <200104071700.f37H01815466(a)moe.2bsd.com>
To: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] STYX and 2.11BSD licensing
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Hi -
From: Edward Brocklesby <ejb(a)leguin.org.uk>
Hm, I saw the patch archive.. which patchlevel is the 2.11_rp_unknown image
on minnie at?
It's ancient. Look at /VERSION - it should have the current rev
level:
Current Patch Level: 436
Date: February 22, 2001
Oh, I see I've number 436 almost ready to publish ;)
There's a couple of things I'd be interested
in adding to 2BSD, though I'm
not sure if they'd make it into upstream. One is the 4BSD timezones system,
which is somewhat better than setting TIMEZONE in the kernel..
The 4BSD timezone stuff is already there, at least in userland - see
/usr/share/zoneinfo and 'tic' and so on.
Since most PDP-11s do not have a "CMOS clock" to get the date and time
from I'm not sure where the kernel would get its initial date/time
from. Some models (11/93) have a TOY clock that could be set to
GMT, but the other models do not - so the user/admin would have to
remember to set the date/time to GMT when booting the system.
Steven Schultz
moe.2bsd.com
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From Wolfgang Helbig
<helbig(a)Informatik.BA-Stuttgart.DE> Sun Apr 8 08:10:15 2001
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From: Wolfgang Helbig <helbig(a)Informatik.BA-Stuttgart.DE>
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To: pups(a)minnie.cs.adfa.edu.au, sms(a)moe.2bsd.com
Subject: Re: [pups] STYX and 2.11BSD licensing
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Since most PDP-11s do not have a "CMOS
clock" to get the date and time
from I'm not sure where the kernel would get its initial date/time
from. [ ... ]
In UNIX V6/V7 the kernel reads the initial time from the superblock of the
root file system. The timestamp is written each time the superblock is updated
on disk.
GMT, but the other models do not - so the user/admin
would have to
remember to set the date/time to GMT when booting the system.
The admin just has to remember that the date(1) command converts from
localtime to GMT when setting the date -- unless an 's' is appended to
the date string. (in V6 only, not mentioned in its man page)
BTW. in V6, the timezone offset was not coded into the kernel, but
in the C-library source ctime.c. If you happen to live outside
Eastern Timezone, you'll have to change it. Furthermore the daylight
saving time switch is hardcoded in localtime() -- last Sunday in
April and last Sunday in October, with different rules for 1974
(Jan 5 and last Sunday in November) and 1975 (last Sunday in February
and last Sunday in November).
So you in V6 don't have to rebuild the kernel to adopt the timezone
changes. Instead you have to rebuild the C-Library (at least
replace ctime.c) and build all commands that depend on it. I've
found these:
date find ls who cron dump mail pr restore
Putting the timezone offset into the kernel like in V7 seems to be
better, because you don't have to recompile all those commands.
Wolfgang
PS. I've patches to V6, that make it y2k ready and avoid some integer
overflows in ctime, which occure since 1998, so not related
to y2k.
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From "Steven M. Schultz"
<sms(a)moe.2bsd.com> Sun Apr 8 09:17:44 2001
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Date: Sat, 7 Apr 2001 16:17:44 -0700 (PDT)
From: "Steven M. Schultz" <sms(a)moe.2bsd.com>
Message-Id: <200104072317.f37NHij19414(a)moe.2bsd.com>
To: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] STYX and 2.11BSD licensing
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Hi -
From: Wolfgang Helbig
<helbig(a)Informatik.BA-Stuttgart.DE>
In UNIX V6/V7 the kernel reads the initial time from the superblock of the
root file system. The timestamp is written each time the superblock is updated
on disk.
2.11 (and as far as I can remember all of the 2BSD family) do the
same thing.
The trouble is that the initial time upon boot can be seriously wrong.
For example I haven't booted my 11/73 in a month or two - the date and
time will be sometime in Jan or Feb.
In the "PC" world there's the CMOS clock (set to GMT on all the systems
I have) and a battery - when the system boots it can read the
correct/current/GMT date/time from the hardware (as can a 11/93 with
a TOY clock).
BTW. in V6, the timezone offset was not coded into the
kernel, but
in the C-library source ctime.c. If you happen to live outside
Yep - I had hoped to never have to remember _that_ again ;)
Putting the timezone offset into the kernel like in V7
seems to be
better, because you don't have to recompile all those commands.
Right.
It is only one module in the kernel (param.c) that needs to
be recompiled - just edit param.c and that's the only module that will
be rebuilt.
Another way is to use 'adb -w -k ...' and patch the kernel and/or
memory.
Steven Schultz
sms(a)moe.2bsd.com
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From "Fred N. van Kempen"
<Fred.van.Kempen(a)microwalt.nl> Mon Apr 9 02:04:34 2001
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From: "Fred N. van Kempen" <Fred.van.Kempen(a)microwalt.nl>
To: "'Steven M. Schultz'" <sms(a)moe.2bsd.com>om>,
pups(a)minnie.cs.adfa.edu.au
Subject: RE: [pups] STYX and 2.11BSD licensing
Date: Sun, 8 Apr 2001 18:04:34 +0200
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All,
Since most PDP-11s do not have a "CMOS
clock" to get the date and
time from I'm not sure where the kernel would get its initial
date/time from.
Dunno about V6/V7/2BSD, but Ultrix-11 uses the "last
modified" date-stamp
from the root file system (inode 1; /) to save/restore the last known
date. Kinda works, and better than having a system run in 1970 initially :)
Still, TZ info is stored im the kernel. Would be nice to have that in
user space, too...
--fred
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