Unix v5

docs/1970s/1973/alto-os/index.md

@@ -50,7 +50,7 @@ You may also be interested in the Alto hardware manual:
 ## Related Pages
 
 - [VirtualHub Screenshots](https://screenshots.virtualhub.eu.org/1970s/1973/alto-os/)
-- [Run Alto OS in your browser: ContrAltoJS](https://archives.loomcom.com/contraltojs/)
+- [Run Alto OS in your browser: ContrAltoJS](https://archives.loomcom.com/contraltojs/)  (Instructions given on page)
 - [Wikipedia](https://en.wikipedia.org/wiki/Xerox_Alto#Software)
 - [Computer History Wiki Alto page](https://gunkies.org/wiki/Xerox_Alto)
 - [Toasty Tech Xerox Alto page](http://toastytech.com/guis/alto.html)

docs/1970s/1974/index.md

@@ -0,0 +1,16 @@
+---
+keywords: [1970s, 1974]
+image: ./1974.webp
+description: "There was one operating system of our interest which was released in the year 1974. It was:"
+sidebar_position: 5
+---
+
+import DocCardList from '@theme/DocCardList';
+
+# 1974
+
+![! Unix v5 from 1974](./1974.webp)
+
+There was one operating system of our interest which was released in the year 1974. It was:
+
+<DocCardList />

docs/1970s/1974/unix-v5/index.md

@@ -0,0 +1,42 @@
+---
+keywords: ["nsys", "Unix v5", "Unix", "PDP-11", 1970s, 1974]
+image: ./unix-v5.webp
+description: "! Unix v5 was an operating system for the DEC PDP-11 computer. It was developed by Bell Labs."
+sidebar_position: 2
+---
+
+# ! Unix v5
+
+![! Unix v5](./unix-v5.webp)
+
+! Unix v5 was an operating system for the DEC PDP-11 computer. It was developed by Bell Labs. It can be used on SIMH PDP-11 emulator.
+
+## Manuals
+
+Here is the manual for ! Unix v5:
+
+- [! Unix Programmer's Manual, 5th Edition](https://www.tuhs.org/Archive/Distributions/Research/Dennis_v5/v5man.pdf)
+
+Reading the volume 2A and 2B of ! Unix v7 manual is also helpful. They contain many short tutorials which will be helpful in learning how to use Unix. While the manual is for v7, most of the information included there applies to every version of Unix.
+
+- [! Unix Programmer's Manual, 7th Edition, Volume 2A](https://s3.amazonaws.com/plan9-bell-labs/7thEdMan/v7vol2a.pdf)
+- [! Unix Programmer's Manual, 7th Edition, Volume 2B](https://s3.amazonaws.com/plan9-bell-labs/7thEdMan/v7vol2b.pdf)
+
+You may also be interested in the PDP-11 manuals. It was the computer on which ! Unix v5 was supposed to run. You can download them from Bitsavers:
+
+- [PDP-11 Manuals](http://bitsavers.org/pdf/dec/pdp11/)
+
+## Related Pages
+
+<!-- - [VirtualHub Screenshots](https://screenshots.virtualhub.eu.org/1970s/1974/unix-v5/) -->
+
+- [Run ! Unix v5 in your web browser: Paul Nankervis' emulator](https://skn.noip.me/pdp11/pdp11.html) (Instructions given on page)
+- [Run ! Unix v5 in your web browser: PCjs](https://www.pcjs.org/machines/dec/pdp11/1145/panel/) (Instructions coming soon)
+- [Wikipedia](https://en.wikipedia.org/wiki/History_of_Unix#1970s)
+- [Computer History Wiki ! Unix v5 page](https://gunkies.org/wiki/UNIX_Fifth_Edition)
+- [Computer History Wiki PDP-11 page](https://gunkies.org/wiki/PDP-11)
+- [Computer History Wiki tutorial on running ! Unix v5 on SIMH](https://gunkies.org/wiki/Running_Unix_v5_in_SIMH)
+
+## Credits
+
+- The manuals were taken from [The Unix Heritage Society (TUHS)](https://www.tuhs.org) and [Bitsavers](http://bitsavers.org).