---
keywords: ["TSS/8", "PDP-8", 1960s, 1968]
image: ./tss8.webp
description: "! TSS/8 was an operating system for the DEC PDP-8 computer. We can run it on the SIMH PDP-8 emulator."
sidebar_position: 1
---

import DocCardList from '@theme/DocCardList';

# ! TSS/8

![! TSS/8](./tss8.webp)

! TSS/8 was an operating system for the DEC PDP-8 computer. We can run it on the SIMH PDP-8 emulator.

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## Manuals

You can download the ! TSS/8 manuals from here:

- [! TSS/8 User's Guide](http://bitsavers.org/pdf/dec/pdp8/tss8/DEC-T8-MRFB-D_UserGde_Feb70.pdf)
- [! TSS/8 System Manager's Guide](http://bitsavers.org/pdf/dec/pdp8/tss8/TSS8MgrsGuide.pdf)
- [! TSS/8 Monitor Guide](http://bitsavers.org/pdf/dec/pdp8/tss8/DEC-T8-MRFA-D_Monitor_Sep68.pdf)
- [! TSS/8 BASIC-8 Programming Manual](http://bitsavers.org/pdf/dec/pdp8/tss8/DEC-T8-KJZA-D-TSS-8_BASIC_8_Programming_Manual_Mar1969.pdf)

You may also be interested in the PDP-8 manuals. They were the computers on which ! TSS/8 was supposed to run. You can download them from Bitsavers:

- [PDP-8 Manuals](http://bitsavers.org/pdf/dec/pdp8/)

## Related Pages

- [VirtualHub Screenshots](https://screenshots.virtualhub.eu.org/1960s/1968/tss8/)
- [Wikipedia](https://en.wikipedia.org/wiki/TSS/8)
- [Computer History Wiki PDP-8 page](https://gunkies.org/wiki/TSS/8)
- [Running TSS/8 on the DEC PiDP-8/i and SIMH (Raymii.org)](https://raymii.org/s/articles/Running_TSS_8_on_the_DEC_PiDP-8_i_and_SIMH.html)
- [Bitsavers](http://bitsavers.trailing-edge.com/pdf/dec/pdp8/tss8/)

## Credits

- The manuals were taken from [Bitsavers](http://bitsavers.org).