UNIX First Edition - Revision history

Jnc: /* External links */ Update Bell Labs URLs (blast Nokia)

2025-06-12T17:10:36Z

‎External links: Update Bell Labs URLs (blast Nokia)

Jnc: /* External links */ +Unix Programmer's Manual

2024-02-29T17:13:42Z

‎External links: +Unix Programmer's Manual

Jnc: /* External links */ typo

2023-05-22T00:58:07Z

‎External links: typo

Jnc: /* Source index */ expand inventory details

2023-05-20T16:39:43Z

‎Source index: expand inventory details

Jnc: /* Source index */ more on u1

2023-05-20T02:08:28Z

‎Source index: more on u1

Jnc: Disk drives

2023-05-19T19:16:41Z

Disk drives

Jnc: Add a decent intro and source module index

2023-05-19T18:38:24Z

Add a decent intro and source module index

Jnc: /* External links */ +OS source

2023-05-19T16:29:00Z

‎External links: +OS source

Aap: added link to manual

2022-05-24T21:43:44Z

added link to manual

Jnc: /* External links */ +links to man + src listings in TUHS

2021-10-02T17:27:41Z

‎External links: +links to man + src listings in TUHS

@@ Line 81: / Line 81: @@
 * [http://squoze.net/UNIX/v1man/ UNIX Programmer's Manual] - individual pages in HTML
 * [https://www.singlix.com/trdos/archive/pdf_archive/unix_v1_programmers_manual.pdf Unix Programmer's Manual] - single PDF file
-* [https://www.bell-labs.com/usr/dmr/www/hist.html The Evolution of the Unix Time-sharing System] ([https://www.bell-labs.com/usr/dmr/www/hist.pdf PDF]) - contains the background for the creation of V1
+* Dennis M. Ritchie, [https://www.nokia.com/bell-labs/about/dennis-m-ritchie/hist.html ''The Evolution of the Unix Time-sharing System''] ([https://www.nokia.com/bell-labs/about/dennis-m-ritchie/hist.pdf PDF]) - contains the background for the creation of V1
 {{Nav Unix}}

@@ Line 80: / Line 80: @@
 ** [https://www.tuhs.org/Archive/Distributions/Research/Dennis_v1/1stEdman.html Unix Programmer's Manual First Edition] - overview
 * [http://squoze.net/UNIX/v1man/ UNIX Programmer's Manual] - individual pages in HTML
 * [https://www.bell-labs.com/usr/dmr/www/hist.html The Evolution of the Unix Time-sharing System] ([https://www.bell-labs.com/usr/dmr/www/hist.pdf PDF]) - contains the background for the creation of V1

@@ Line 86: / Line 86: @@
 [[Category: PDP-11 Operating Systems]]
 [[Category: Non-DEC Operating Systems]]
-[[Category: Unix OS's‎]
+[[Category: Unix OS's‎]]

@@ Line 30: / Line 30: @@
 | [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u1.s u1] || [[system call]] handling; core dump; exit/wait/fork; [[file]] operations; gtty/stty
 |-
-| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u2.s u2] || [[directory]] operations; exec
+| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u2.s u2] || [[directory]] operations; exec; stat; time; break; seek/tell; close
 |-
-| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u3.s u3] || [[swapping]] operations
+| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u3.s u3] || [[swapping]] operations; [[scheduler]]
 |-
-| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u4.s u4] || clock; [[paper tape]] [[device driver]]
+| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u4.s u4] || clock; [[paper tape]] [[device driver]]; sleep/wakeup
 |-
-| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u5.s u5] || [[file system]]
+| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u5.s u5] || [[file system]] (including free list and inodes)
 |-
-| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u6.s u6] || [[input/output]]
+| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u6.s u6] || [[input/output]] (including devices)
 |-
-| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u7.s u7] || miscellaneous
+| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u7.s u7] || [[terminal]]s; clists; open/close; mount/unmount
 |-
-| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u8.s u8] || disk drivers; block buffer management
+| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u8.s u8] || mass storage drivers; block [[buffer]] management
 |-
 | [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u9.s u9] || [[asynchronous serial line]] drivers
@@ Line 49: / Line 49: @@
 |}
-This table is not to be heavily relied on, as it's not very detailed yet; e.g. [[terminal]] code is scattered through several modules.
+This table is not to be heavily relied on, as it's not very detailed yet; e.g. terminal code is scattered through several modules.
 ==Restoration project==

@@ Line 28: / Line 28: @@
 | [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u0.s u0] || [[trap]] and [[interrupt vector]]s; initialization
 |-
-| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u1.s u1] || [[system call]] handling; fork; [[file]] operations
+| [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u1.s u1] || [[system call]] handling; core dump; exit/wait/fork; [[file]] operations; gtty/stty
 |-
 | [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1/u2.s u2] || [[directory]] operations; exec

@@ Line 17: / Line 17: @@
 Bell Labs' management had been persuaded to buy the PDP-11 to fill a need for typesetting for the Labs' patent department. (None of the available typesetting products exactly filled the formatting requirements for patent applications; the UNIX group promised to produce something that would.) This turned out to be enough of a success, with the patent people and the researchers sharing a machine (dangerous, since the -11/20 had no hardware [[memory management]]) that a second -11/20 was purchased for the sole use of the patent department. UNIX soon spread to other groups at Bell; the Switching Control Center System group also used UNIX on an -11/20 for their early work.
-V1 required a [[KE11-A Extended Arithmetic Element|KE11-A]] (use is made of it throughout the [[kernel]]).
+Apparently, when first run, it had only an [[RF11 disk controller|RF11]] with a single [[RS11 disk drive]] (512KB) for both [[swapping]] and the [[file system]]. By the time of the version for which we have the [[source code]] (below), an [[RK11 disk controller|RK11]] had been added; swapping remained on the RF11. The version which we have also required a [[KE11-A Extended Arithmetic Element|KE11-A]] (use is made of it throughout the [[kernel]]).
 ==Source index==

@@ Line 1: / Line 1: @@
 {{Infobox OS
 | image = v1unix.png
-| caption = Logging into a Unix version 1 box
+| caption = Logging into a Unix Version 1 box
-| name = Unix v1
+| name = Unix V1
 | creator = Western Electric, AT&T
-| current version = SYSVr4 - Solais 10 (2009)
+| previous version = [[PDP-7 UNIX|'Edition Zero']]
 | year introduced = 1972
 | type = Multitasking, multiuser
-| architecture = [[PDP-7]], [[PDP-11]] theoretically portable
+| architecture = [[PDP-11]]
 }}
-[[UNIX]]'s first edition has been restored by the work of Warren Toomey, Tim Newsham and others.  The current project homepage is located [http://code.google.com/p/unix-jun72/ here].
+The '''UNIX First Edition''' ('''V1''') occurred when [[UNIX]] was re-written for the then-new [[PDP-11]], a 'cheap' [[minicomputer]], from the [[PDP-7]] for which it was originally written, at [[Bell Laboratories]]. (Both versions were written in [[assembly language]].) The machine purchased for the move was one of the first [[PDP-11/20]]'s built; there was no [[disk]] [[mass storage]] available from [[DEC]] for the machine when it first arrived.
-== PDP-7 predecessor ==
+Bell Labs' management had been persuaded to buy the PDP-11 to fill a need for typesetting for the Labs' patent department. (None of the available typesetting products exactly filled the formatting requirements for patent applications; the UNIX group promised to produce something that would.) This turned out to be enough of a success, with the patent people and the researchers sharing a machine (dangerous, since the -11/20 had no hardware [[memory management]]) that a second -11/20 was purchased for the sole use of the patent department. UNIX soon spread to other groups at Bell; the Switching Control Center System group also used UNIX on an -11/20 for their early work.
-The earlier first version was written in [[assembly language]] for a spare [[PDP-7]] in Bell Labs.  Originally what started out as a game (spacelander) eventually UNIX started to fill a need for typesetting on 'cheap' [[minicomputer]]s.
+V1 required a [[KE11-A Extended Arithmetic Element|KE11-A]] (use is made of it throughout the [[kernel]]).
-The first version was primarly written in assembler.
+==Source index==
-== Restoration project ==
+The following table shows what functionality is in each [[source code]] module:
-On December 2008, the project made its first relase using scanned printouts as source material, a team was able to re-enter the source files, and using apout they were able to construct a system using various bits from later Unix versions into a booting system for SIMH's PDP-11 emulator.
+{| class="wikitable"
-== How do I get this to run?! ==
+This table is not to be heavily relied on, as it's not very detailed yet; e.g. [[terminal]] code is scattered through several modules.
 There is a packaged version that will easily install on Windows machines that can be downloaded [http://sourceforge.net/project/downloading.php?group_id=204974&filename=Research-unixv1-0.3.exe&a=25520957 here]
@@ Line 30: / Line 65: @@
 The current binary build can be downloaded from the [http://unix-jun72.googlecode.com/ google code] page [http://unix-jun72.googlecode.com/files/images-20080625.tgz here].
-You need a version of [[SIMH]] 3.8-1 or higher, as they will incorporate certain changes required for v1 unix.
+You need a version of SIMH 3.8-1 or higher, as they will incorporate certain changes required for V1 UNIX.
-== What Runs? ==
+===What Runs?===
 Not very much!
@@ Line 39: / Line 74: @@
 * [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V1 V1] - file tree at [[The Unix Heritage Society|TUHS]]
 * [https://www.tuhs.org/Archive/Distributions/Research/Dennis_v1/ 1st Edition UNIX] - documentation
 ** [https://www.tuhs.org/Archive/Distributions/Research/Dennis_v1/PreliminaryUnixImplementationDocument_Jun72.pdf UNIX Implementation Document] - contains scans of a complete listing
@@ Line 44: / Line 80: @@
 ** [https://www.tuhs.org/Archive/Distributions/Research/Dennis_v1/1stEdman.html Unix Programmer's Manual First Edition] - overview
 * [http://squoze.net/UNIX/v1man/ UNIX Programmer's Manual] - individual pages in HTML
 {{Nav Unix}}
@@ Line 49: / Line 86: @@
 [[Category: PDP-11 Operating Systems]]
 [[Category: Non-DEC Operating Systems]]
-[[Category: Unix OS's‎]]
+[[Category: Unix OS's‎]

← Older revision		Revision as of 17:27, 2 October 2021
Line 35:		Line 35:

	Not very much!		Not very much!
		+
		+	==External links==
		+
		+	* [https://www.tuhs.org/Archive/Distributions/Research/Dennis_v1/ 1st Edition UNIX]
		+	** [https://www.tuhs.org/Archive/Distributions/Research/Dennis_v1/PreliminaryUnixImplementationDocument_Jun72.pdf UNIX Implementation Document] - contains scans of a complete listing
		+	** [https://www.tuhs.org/Archive/Distributions/Research/Dennis_v1/1stEdman.html Unix Programmer's Manual First Edition] - overview

	{{Nav Unix}}		{{Nav Unix}}