From: "A. Wik" <aw(a)aw.gs>
>
> In the context of non-local file systems - Sun's NFS
> in particular - I've seen RFS be mentioned. This was
> AT&T's implementattion of transparent real-time (for
> contrast with UUCP, FTP, etc.) remote file access.
>
> But that's all I know. Does anyone know of useful
> sources of information (or just anecdotes, for that
> matter)?
>
> -aw
There's an entire section devoted to RFS in the USL SVR4 Network
User's And Administrator's Guide. What is it you after
Exactly?
-Berny
Hi,
in the end of May i'm going to recover a PDP11/23, a
MicroPDP11/23 (maybe? i've not seen it) and some other stuff for
our computer museum.
Does someone have an idea about what flavour of Unix can be run,
if this is possible, on 11/23? :)
greets from sicilia, italy!
--
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In the context of non-local file systems - Sun's NFS
in particular - I've seen RFS be mentioned. This was
AT&T's implementattion of transparent real-time (for
contrast with UUCP, FTP, etc.) remote file access.
But that's all I know. Does anyone know of useful
sources of information (or just anecdotes, for that
matter)?
-aw
If this helps at all, I've been working (very, very slowly) on a port of
v32 to Intel platforms. At first I used gcc for some kernel work, but
quickly realized that it would be overwhelming to the final v7 system.
Since I don't want to do the work twice, I looked for a different compiler
suite. I switched to the ACK compiler suite and just finished the WinXP
cross compiler work. It has a pdp11 back end, which I have yet to try,
that may be useful.
It isn't gcc, but ir does do ANSI C and the i386 assembler seems to be
pretty complete. Let me know if there's any interest and I'll put it up
on my site for download.
Pat
> Toby Thain napisał(a):
>
> >On 24-Apr-06, at 9:05 AM, Wesley Parish wrote:
> >
> >
> >
> >>Quoting Andrzej Popielewicz <vasco(a)icpnet.pl>:
> >>
> >>
> >>
> >>>Wesley Parish napisał(a):
> >>>
> >>>
> >>>
> >
> >It can't be done.
> >
> >As others point out, the program is many times (100x or more?) too
> >big -- likely even gcc 1.x is far too big, but gcc {2,3,4}.x are all
> >meant for large 32-bit systems.
> >
> >However, cross-compilation can certainly be easily done. I have made
> >a PDP-11 back-end for lcc[1] (not quite complete but shows that it
> >can be done), which is an ANSI (c89) compiler[2]. lcc is a much
> >smaller and simpler compiler than gcc, but its executables are still
> >massively outsize for PDP-11 systems.
> >
> >
> Yes, even running vi or csh in Ultrix (in simh pdp11) produced message :
> too big. After setting cpu to 3072K it worked(setting to 4096 K hanged
> the system BTW).
> Cross compilation has also this advantage , that You have better editors
> to Your disposal and You can work faster.
> Well native cc seems to be good enough, using pdp11 in emulator we have
> anyway only hobbyst license .
>
> Andrzej
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> I am running linux and I want to devote a
partition to a good working
>old version of linux v5,6, or 7. I have Bob's
simulator and it works great.
>The thing is when I boot v7_rk05_1145 or v7_rl02_1145
which is I believe
>Dennis's donations I don't know how to log out of the
system. I also want to
>make a filesystem for unix and I don't know how to do
that with a pdp-11
>emulator. I want the source so it can be generated
too.
Gasp! I think you have a number of things wrong that
need correction.
First, now what LINUX stands for? Linux Is Not UniX.
Yep, that's it!
While it is true that LINUX is not UNIX, it is similar
enough. It was designed to be a substitute for UNIX,
and is good enough at it that one could argue it fully
behaves as a UNIX now (which would be tantamount to
saying it is UNIX, though it hasn't passed X/Open
certification).
Then, what's in the archive are not old versions of
LINUX, but of UNIX. In the sense UNIX predates and
sheds the field for LINUX you could think of them as
LINUX antecessors, although there is no shared code or
lineage among them.
What you do when you "boot" the old versions within
SIMH is run an ancient UNIX inside a program that
emulates (behaves as) an old computer. You are not
booting your computer. You are booting a virtual old
computer.
Then, to shut down an old machine, UNIX 6 or 7 you
would simply 'sync' the disks (to ensure all temporary
data was saved)and power down the machine. Or at least
interrupt it to the console monitor. Under SIMH you
can "interrupt" or stop the machine by pressing ^E
([Ctrl] + [E], both pressed at the same time). This
will stop the emulation (sort of as if you had turned
off the old machine) and take you to the SIMH command
prompt. Once there simply type in "quit" and you are
out.
Under system 7 you start in single user mode. You can
go to multi-user status by typing ^D. Then you can
login and out as usual. And stop the machine as
described above ('sync' a couple of times as root and
press ^E).
Regarding the filesystem, you don't need a partition.
SIMH being an emulator and the machine (PDP11)
virtual, everything is virtual. So, what you need to
add more space is to add another disk. Not to *your*
machine, but to the virtual machine, and not a real
disk, but a virtual disk. I.e. a file on your *real*
filesystem that you will treat as a virtual disk. Then
attach it to the virtual PDP11 using the SIMH "attach"
command (this would be tantamount to connecting the
virtual wires of the virtual disk to the virtual
computer). See the manual of SIMH for more details.
As for formatting the disk, see the manual pages. I've
got the kids in the bath now and can't type more, but
this should be enough to clear up your mind.
j
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On Apr 29, 2006, at 7:00 PM, tuhs-request(a)minnie.tuhs.org wrote:
>
> I don't *think* that was it - I remember seeing those boxes at some
> trade show later, but this was a different animal - it was really a
> piece of test equipment for embedded processors (actually it might
> have been a socket-level simulator, that you used to replace an 1802
> or something so you could see what it was doing) I think.
It was the Tek 8560 multi-user development system.
Different models had either an 11/23 or 11/73 processor
with their own peripheral interfaces.
Manuals on bitsavers.com under tektronix/85xx
