virtualhub.eu.org/docs/1970s/1971/unix-v1/index.md

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Unix Unix v1 PDP-11 1970s 1971	./unix-v1.webp	! Unix v1 was an operating system for the DEC PDP-11 computer. It was developed by Bell Labs.	1

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! Unix v1

! Unix v1 was an operating system for the DEC PDP-11 computer. It was developed by Bell Labs. Sadly, we do not have a complete copy of Unix v1, but we do have a copy with v1 kernel and v2 userland, which we can run on SIMH.

Manuals

You can download the ! Unix v1 manual from here:

• ! Unix Programmer's Manual, 1st Edition

Since the copy we have has v2 userland, you will be interested in ! Unix v2 manual as well:

• ! Unix Programmer's Manual, 2nd Edition

You may also be interested in the PDP-11 manuals. It was the computer on which ! Unix v1 as well as ! Unix v2 was supposed to run. You can download them from Bitsavers:

• PDP-11 Manuals

In particular, you may be interested in these:

• PDP-11 Processor handbook
• PDP-11 Peripherals and Interfacing handbook

Related Pages

• VirtualHub Screenshots
• Wikipedia
• Computer History Wiki ! Unix v1 page
• Computer History Wiki ! Unix v2 page
• Computer History Wiki PDP-11 page
• The project to resurrect ! Unix v1/v2

Credits

• The manuals were taken from The Unix Heritage Society (TUHS) and Bitsavers.