Comments on: Unix V5, V6 and V7 for PDP-11

By: sravan

sravan — Tue, 31 Jan 2012 10:28:01 +0000

Hello can any one tell me how to program in this… ie a sample example

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primestyle — Mon, 19 Dec 2011 12:49:46 +0000

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primestyle — Sun, 18 Dec 2011 19:01:59 +0000

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By: Dan Stromberg

Dan Stromberg — Thu, 04 Aug 2011 05:18:12 +0000

If I boot V7 on pdp11 (SIMH), like so:

$ pdp11


PDP-11 simulator V3.8-1

sim> att rl0 RL02

sim> att rl0 unix_v7_rl.dsk

sim>  set cpu u18

Disabling XQ

sim> boot rl0

@boot

New Boot, known devices are hp ht rk rl rp tm vt

: rl(0,0)rl2unix

mem = 177856

# Restricted rights: Use, duplication, or disclosure

is subject to restrictions stated in your contract with

Western Electric Company, Inc.

Thu Sep 22 08:05:45 EDT 1988

login: root Password: You have mail. #

…then I don’t seem to get a /usr/bin – I have some directories under /usr, but they seem to be actually in the root filesystem – at least, the number of directories in /usr doesn’t change from before multiuser and after entering multiuser.

Am I doing something wrong?

Does this distribution only include / and not /usr?

I’m thinking something’s missing, because I have no vi or cpio commands.

By: Kevin Wheeler

Kevin Wheeler — Wed, 20 Jul 2011 01:00:44 +0000

Every time I see these sort of photos I get a nostalgic wave followed by nausea. I used to work on the Teletype pictured in the photo. The ones in the pic are likely
ASR-?? in the civilian world. Complete with Tape Send and Receive.

By: Lee Fawkes

Lee Fawkes — Wed, 18 Nov 2009 04:49:58 +0000

There is a typo in your “More photos on SIMH site” link. Should be http://simh.trailing-edge.com/photos.html .

Beyond that: awesome! I look forward to playing with this.

By: Keir

Keir — Wed, 14 Oct 2009 02:57:06 +0000

Thanks for posting this! I had a lot of fun exploring the similarities (and differences) of early Unix and the Unix-likes I’ve worked with under CLI, like Linux and NetBSD.