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---
keywords: ["ADSS-15", "PDP-15", 1970s, 1970]
image: ./adss-15.webp
description: "! ADSS-15 was an operating system for the DEC PDP-15 computer. We can run it in the SIMH PDP-15 emulator."
sidebar_position: 3
---
import DocCardList from '@theme/DocCardList';
# ! ADSS-15
![! ADSS-15](./adss-15.webp)
! ADSS-15 (PDP-**15** **Ad**vanced **S**oftware **S**ystem) was an operating system for the DEC PDP-15 computer. We can run it in the SIMH PDP-15 emulator.
<DocCardList />
## Manuals
You can download the ! ADSS-15 manual from here:
- [! ADSS-15 Programmer's Reference Manual](http://www.bitsavers.org/pdf/dec/pdp15/DEC-15-MR2B-D_AdvMonPgmRef.pdf)
You may also be interested in the PDP-15 manuals. It was the computer on which ! ADSS-15 was supposed to run. You can download them from Bitsavers:
- [PDP-15 Manuals](http://www.bitsavers.org/pdf/dec/pdp15/)
## Related Pages
- [VirtualHub Screenshots](https://screenshots.virtualhub.eu.org/1970s/1970/adss-15/)
- [Wikipedia PDP-15 page](https://en.wikipedia.org/wiki/PDP-15)
- [Computer History Wiki PDP-15 page](http://gunkies.org/wiki/PDP-15)
## Credits
- The manuals were taken from [Bitsavers](http://bitsavers.org).

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---
keywords: ["ADSS-15", "PDP-15", SIMH, 1970s, 1970]
image: ./adss-15-SIMH-3.webp
description: 'We can run ! ADSS-15 on the SIMH PDP-15 emulator. First, we need to download the ! ADSS-15 kit. You can download the kit needed to run ! ADSS-15 on the SIMH PDP-15 emulator from the "SIMH Legacy" website.'
sidebar_position: 1
sidebar_label: "! ADSS-15 on SIMH"
---
# How to install ! ADSS-15 on SIMH?
![SIMH PDP-15 emulator with ! ADSS-15](./adss-15-SIMH-3.webp)
We can run [! ADSS-15](/1970s/1970/adss-15) on the SIMH PDP-15 emulator. First, we need to download the ! ADSS-15 kit.
## Downloads
You can download the kit needed to run ! ADSS-15 on the SIMH PDP-15 emulator from the ["SIMH Legacy"](http://simh.trailing-edge.com/) website:
- [! ADSS-15 kit](http://simh.trailing-edge.com/kits/adss15.zip)
## Using ! ADSS-15
:::tip
If you have not already installed SIMH PDP-15 emulator, see [the VirtualHub Setup tutorial on how to do so](https://setup.virtualhub.eu.org/simh-pdp15/) on Linux and Windows.
:::
Extract the kit you downloaded. Inside you will find several files. Create a folder somewhere to store the files for this VM and move those two files named `adss15_32k.dtp` and `dec-15u.rim` into it.
Now we will create a config file for our VM. Create a text file called `pdp15.ini` with the following content in the VM folder:
```ini
load dec-15u.rim 77637
ex pc
attach dt adss15_32k.dtp
set lpt disa
set lp9 ena
run
```
![pdp15.ini](./adss-15-SIMH-1.webp)
Now open a terminal and move to the VM folder. Run the following command to start the emulator:
```bash
pdp15
```
![pdp15](./adss-15-SIMH-2.webp)
After the emulator starts, you can enter `D` to see the list of files:
![D](./adss-15-SIMH-2.webp)
That's it! We used ! ADSS-15. We can create a shell script to make it easy to launch the VM. Create a file called `adss-15.sh` with the following content:
```bash
#!/bin/bash
pdp15
```
Now make the file executable:
```bash
chmod +x adss-15.sh
```
Now you can start the VM using the shell script. For example, on KDE you can right-click the file and choose `Run in Konsole` or on GNOME, where you can right-click the file and choose `Run as executable`. The VM will start.
See the [manuals section](/1970s/1970/adss-15/#manuals) on the [main ! ADSS-15 page](/1970s/1970/adss-15) to learn how to use it.
### Windows
:::tip
You should use Linux. If you dont know how to install a Linux distro, see [our tutorials on how to install Kubuntu](https://setup.virtualhub.eu.org/tag/os/), a beginner-friendly distro.
:::
On Windows, you need to place the `PDP15.exe` file you downloaded in [this tutorial](https://setup.virtualhub.eu.org/simh-pdp15#windows) in the VM folder. Then you can follow the above tutorial as usual. The shell script will not work on Windows. You need to rename it to `adss-15.bat`. Then you can double-click the file to launch the VM, no need to make it executable.
## Credits
- The disk image and other files used above are from a kit available on [SimH “Classic” website](http://simh.trailing-edge.com/).
## Video tutorial
Do you want to follow the tutorial by watching a video? We will post a video on our [YouTube channel](https://www.youtube.com/@virtua1hub) soon.
Archives of this tutorial are available on [Wayback Machine](https://web.archive.org/web/*/https://virtualhub.eu.org/1970s/1970/adss-15/simh/).

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---
keywords: ["CAPS-11", "PDP-11", 1970s, 1970]
image: ./caps-11.webp
description: "! CAPS-11 was an operating system for the DEC PDP-11 computer. It is one of the earliest available operating system to be run on a PDP-11."
sidebar_position: 2
---
import DocCardList from '@theme/DocCardList';
# ! CAPS-11
![! CAPS-11](./caps-11.webp)
! CAPS-11 (**Ca**ssette **P**rogramming **S**ystem) was an operating system for the DEC PDP-11 computer. It is one of the earliest available operating system to be run on a PDP-11.
<DocCardList />
## Manuals
You can download the ! CAPS-11 manual from here:
- [! CAPS-11 User Guide](http://www.bitsavers.org/pdf/dec/pdp11/caps-11/DEC-11-OTUGA-A-D_CAPS-11_Users_Guide_Oct73.pdf)
You may also be interested in the PDP-11 manuals. It was the computer on which ! CAPS-11 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/1970/caps-11/)
- [Wikipedia](https://en.wikipedia.org/wiki/PDP-11#Operating_systems)
- [A third-party PDP-11 + CAPS-11 restoration bog post (with a YouTube video)](http://www.datormuseum.se/computers/digital-equipment-corporation/pdp-11-04.html)
## Credits
- The manuals were taken from [Bitsavers](http://bitsavers.org).

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---
keywords: ["CAPS-11", "PDP-11", SIMH, 1970s, 1970]
image: ./caps-11-SIMH-3.webp
description: 'We can run ! CAPS-11 on the SIMH PDP-11 emulator. First, we need to download the ! CAPS-11 kit. You can download the kit needed to run it on the SIMH PDP-11 emulator from the "SIMH Legacy" website.'
sidebar_position: 1
sidebar_label: "! CAPS-11 on SIMH"
---
# How to install CAPS-11 on SIMH?
![SIMH PDP-11 emulator with ! CAPS-11](./caps-11-SIMH-3.webp)
We can run [! CAPS-11](/1970s/1970/caps-11) on the SIMH PDP-11 emulator. First, we need to download the ! CAPS-11 kit.
## Downloads
You can download the kit needed to run ! CAPS-11 on the SIMH PDP-11 emulator from the [“SIMH Legacy” website](http://simh.trailing-edge.com/):
- [! CAPS-11 kit](http://simh.trailing-edge.com/kits/caps11_system.zip)
## Using ! CAPS-11
:::tip
If you have not already installed SIMH PDP-11 emulator, see [the VirtualHub Setup tutorial on how to do so](https://setup.virtualhub.eu.org/simh-pdp11/) on Linux and Windows.
:::
Extract the kit you downloaded. Inside you will find two files. Create a folder somewhere to store the files for this VM, and move the file named `caps11.t60` into it.
Now we will create a config file for our VM. Create a text file called `pdp11.ini` with the following content in the VM folder:
```ini
set cpu 11/05
set throttle 5%
set cpu 32k
set ptr disabled
set ptp disabled
set lpt disabled
set dz disabled
set rk disabled
set rl disabled
set hk disabled
set rx disabled
set rp disabled
set rq disabled
set tm disabled
set tq disabled
set ta enabled
att ta0 caps11.t60
d 1000 012700
d 1002 177500
d 1004 005010
d 1006 010701
d 1010 062701
d 1012 000052
d 1014 012702
d 1016 000375
d 1020 112103
d 1022 112110
d 1024 100413
d 1026 130310
d 1030 001776
d 1032 105202
d 1034 100772
d 1036 116012
d 1040 000002
d 1042 120337
d 1044 000000
d 1046 001767
d 1050 000000
d 1052 000755
d 1054 005710
d 1056 100774
d 1060 005007
d 1062 017640
d 1064 002415
d 1066 112024
d sr 0
run 1000
```
![pdp11.ini](./caps-11-SIMH-1.webp)
Now open a terminal and move to the VM folder. Run the following command to start the emulator:
```bash
pdp11
```
![pdp11](./caps-11-SIMH-2.webp)
After the emulator starts, you can type `dir` followed by enter. It will list all the files available on the disk.
![List of files in ! CAPS-11](./caps-11-SIMH-3.webp)
That's it! We used ! CAPS-11. We can create a shell script to make it easy to launch the VM. Create a file called `caps-11.sh` with the following content:
```bash
#!/bin/bash
pdp11
```
Now make the file executable:
```bash
chmod +x caps-11.sh
```
Now you can start the VM using the shell script. For example, on KDE you can right-click the file and choose `Run in Konsole` or on GNOME, where you can right-click the file and choose `Run as executable`. The VM will start.
See the [manuals section](/1970s/1970/caps-11/#manuals) on the [main ! CAPS-11 page](/1970s/1970/caps-11) to learn how to use it.
### Windows
:::tip
You should use Linux. If you dont know how to install a Linux distro, see [our tutorials on how to install Kubuntu](https://setup.virtualhub.eu.org/tag/os/), a beginner-friendly distro.
:::
On Windows, you need to place the `PDP11.exe` file you downloaded in [this tutorial](https://setup.virtualhub.eu.org/simh-pdp11#windows) in the VM folder. Then you can follow the above tutorial as usual. The shell script will not work on Windows. You need to rename it to `caps-11.bat`. Then you can double-click the file to launch the VM, no need to make it executable.
## Credits
- The disk image and other files used above are from a kit available on [SimH “Classic” website](http://simh.trailing-edge.com/).
## Video tutorial
Do you want to follow the tutorial by watching a video? We will post a video on our [YouTube channel](https://www.youtube.com/@virtua1hub) soon.
Archives of this tutorial are available on [Wayback Machine](https://web.archive.org/web/*/https://virtualhub.eu.org/1970s/1970/caps-11/simh/).

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---
keywords: ["DOS-15", "PDP-15", 1970s, 1970]
image: ./dos-15.webp
description: "! DOS-15 was an operating system for the DEC PDP-15 computer. We can run it in the SIMH PDP-15 emulator."
sidebar_position: 4
---
import DocCardList from '@theme/DocCardList';
# ! DOS-15
![! DOS-15](./dos-15.webp)
! DOS-15 (not to be confused with MS-DOS or IBM PC-DOS) was an operating system for the DEC PDP-15 computer. We can run it in the SIMH PDP-15 emulator.
<DocCardList />
## Manuals
You can download the ! DOS-15 manuals from here:
- [! DOS-15 Users Manual](http://www.bitsavers.org/pdf/dec/pdp15/DEC-15-ODUMA-B-D_DOS-15_USERS_MANUAL.pdf)
- [! DOS-15 System Manual](http://www.bitsavers.org/pdf/dec/pdp15/DEC-15-ODFFA-B-D_DOS-15_SYSTEM_MANUAL.pdf)
- [! PIP DOS Monitor Utility Program Manual](http://www.bitsavers.org/pdf/dec/pdp15/DEC-15-UPIPA-A-D_PIP_DOS_MONITOR_UTILITY_PROGRAM.pdf)
- [! SGEN DOS Utility Program Manual](http://www.bitsavers.org/pdf/dec/pdp15/DEC-15-USGNA-A-D_SGEN_DOS_Utility_Program.pdf)
You may also be interested in the PDP-15 manuals. It was the computer on which ! DOS-15 was supposed to run. You can download them from Bitsavers:
- [PDP-15 Manuals](http://www.bitsavers.org/pdf/dec/pdp15/)
## Related Pages
- [VirtualHub Screenshots](https://screenshots.virtualhub.eu.org/1970s/1970/dos-15/)
- [Wikipedia PDP-15 page](https://en.wikipedia.org/wiki/PDP-15)
- [Computer History Wiki PDP-15 page](http://gunkies.org/wiki/PDP-15)
## Credits
- The manuals were taken from [Bitsavers](http://bitsavers.org).

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---
keywords: ["DOS-15", "PDP-15", SIMH, 1970s, 1970]
image: ./dos-15-SIMH-5.webp
description: 'We can run ! DOS-15 on the SIMH PDP-15 emulator. First, we need to download the ! DOS-15 kit. You can download the kit needed to run ! DOS-15 on the SIMH PDP-15 emulator from the "SIMH Legacy" website.'
sidebar_position: 1
sidebar_label: "! DOS-15 on SIMH"
---
# How to install ! DOS-15 on SIMH?
![SIMH PDP-15 emulator with ! DOS-15](./dos-15-SIMH-5.webp)
We can run [! DOS-15](/1970s/1970/dos-15) on the SIMH PDP-15 emulator. First, we need to download the ! DOS-15 kit.
## Downloads
You can download the kit needed to run ! DOS-15 on the SIMH PDP-15 emulator from the ["SIMH Legacy"](http://simh.trailing-edge.com/) website:
- [! DOS-15 kit](http://simh.trailing-edge.com/kits/dos15.zip)
## Using ! DOS-15
:::tip
If you have not already installed SIMH PDP-15 emulator, see [the VirtualHub Setup tutorial on how to do so](https://setup.virtualhub.eu.org/simh-pdp15/) on Linux and Windows.
:::
Extract the kit you downloaded. Inside you will find several files. Create a folder somewhere to store the files for this VM and move those two files named `dosv2a_4p.rf` and `rfsboot.rim` into it.
Now we will create a config file for our VM. Create a text file called `pdp15.ini` with the following content in the VM folder:
```ini
at -e rf dosv2a_4p.rf
load rfsboot.rim 77637
run
```
![pdp15.ini](./dos-15-SIMH-1.webp)
Now open a terminal and move to the VM folder. Run the following command to start the emulator:
```bash
pdp15
```
![pdp15](./dos-15-SIMH-2.webp)
When asked for a date, enter it in `MM/DD/YY` format. You _cannot_ use backspace to erase characters, even if it looks like you can. Try entering a date before the year 2000, to avoid problems related to [Y2K](https://en.wikipedia.org/wiki/Year_2000_problem).
![Enter date](./dos-15-SIMH-3.webp)
Now that DOS-15 is ready, let's run some commands on it. Type `D` and press enter to see the system's date:
![See date](./dos-15-SIMH-4.webp)
You can run `I` to see a list of commands you can run:
![List of commands](./dos-15-SIMH-5.webp)
That's it! We used ! DOS-15. We can create a shell script to make it easy to launch the VM. Create a file called `dos-15.sh` with the following content:
```bash
#!/bin/bash
pdp15
```
Now make the file executable:
```bash
chmod +x dos-15.sh
```
Now you can start the VM using the shell script. For example, on KDE you can right-click the file and choose `Run in Konsole` or on GNOME, where you can right-click the file and choose `Run as executable`. The VM will start.
See the [manuals section](/1970s/1970/dos-15/#manuals) on the [main ! DOS-15 page](/1970s/1970/dos-15) to learn how to use it.
### Windows
:::tip
You should use Linux. If you dont know how to install a Linux distro, see [our tutorials on how to install Kubuntu](https://setup.virtualhub.eu.org/tag/os/), a beginner-friendly distro.
:::
On Windows, you need to place the `PDP15.exe` file you downloaded in [this tutorial](https://setup.virtualhub.eu.org/simh-pdp15#windows) in the VM folder. Then you can follow the above tutorial as usual. The shell script will not work on Windows. You need to rename it to `dos-15.bat`. Then you can double-click the file to launch the VM, no need to make it executable.
## Credits
- The disk image and other files used above are from a kit available on [SimH “Classic” website](http://simh.trailing-edge.com/).
## Video tutorial
Do you want to follow the tutorial by watching a video? We will post a video on our [YouTube channel](https://www.youtube.com/@virtua1hub) soon.
Archives of this tutorial are available on [Wayback Machine](https://web.archive.org/web/*/https://virtualhub.eu.org/1970s/1970/dos-15/simh/).

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---
keywords: [1970s, 1970]
image: ./1970.webp
description: "There were four operating system of our interest which were released in the year 1970. They were:"
sidebar_position: 2
---
import DocCardList from '@theme/DocCardList';
# 1970
![! PDP7 Unix from 1970](./1970.webp)
There were four operating system of our interest which were released in the year 1970. They were:
<DocCardList />

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---
keywords: ["PDP7", "PDP-7", "Unix", 1970s, 1970]
image: ./pdp7unix.webp
description: "! PDP7 Unix was an operating system for the DEC PDP-7 computer. It is the earliest available Unix version to be able to run in an emulator."
sidebar_position: 1
---
import DocCardList from '@theme/DocCardList';
# ! PDP7 Unix
![! PDP7 Unix](./pdp7unix.webp)
! PDP7 Unix was an operating system for the DEC PDP-7 computer. It is the earliest available Unix version to be able to run in an emulator. We can run it on the SIMH PDP-7 emulator.
<DocCardList />
## Manuals
You can download the ! PDP7 Unix manual from here:
- [! Unix Edition Zero Manual](https://www.tuhs.org/Archive/Distributions/Research/McIlroy_v0/UnixEditionZero-Threshold_OCR.pdf)
You may also be interested in the PDP-7 manuals. It was the computer on which ! PDP7 Unix was supposed to run. You can download them from Bitsavers:
- [PDP-7 Manuals](http://bitsavers.org/pdf/dec/pdp7/)
## Related Pages
- [VirtualHub Screenshots](https://screenshots.virtualhub.eu.org/1970s/1970/pdp7unix/)
- [Wikipedia](https://en.wikipedia.org/wiki/UNIX)
- [Computer History Wiki ! PDP7 Unix page](https://gunkies.org/wiki/PDP-7_UNIX)
- [Computer History Wiki PDP-7 page](https://gunkies.org/wiki/PDP-7)
- [The project to resurrect Unix on the PDP-7 from a scan of the original assembly code](https://github.com/DoctorWkt/pdp7-unix)
## Credits
- The manuals were taken from [The Unix Heritage Society (TUHS)](https://www.tuhs.org) and [Bitsavers](http://bitsavers.org).

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---
keywords: ["PDP7", "Unix", "PDP-7", SIMH, 1970s, 1970]
image: ./pdp7unix-SIMH-4.webp
description: "We can run ! PDP7 Unix on the SIMH PDP-7 emulator. First, we need to download the ! PDP7 Unix kit. You can download the kit needed to run it on the SIMH PDP-7 emulator from our GitHub repo."
sidebar_position: 1
sidebar_label: "! PDP7 Unix on SIMH"
---
# How to install ! PDP7 Unix on SIMH?
![SIMH PDP-7 emulator with ! PDP7 Unix](./pdp7unix-SIMH-4.webp)
We can run [! PDP7 Unix](/1970s/1970/pdp7unix) on the SIMH PDP-7 emulator. First, we need to download the ! PDP7 Unix kit.
## Downloads
You can download the kit needed to run ! PDP7 Unix on the SIMH PDP-7 emulator from [our GitHub repo fork](https://github.com/InstallerLegacy/pdp7-unix) of the original [project to resurrect Unix on the PDP-7 from a scan of the original assembly code](https://github.com/DoctorWkt/pdp7-unix):
- [! PDP7 Unix kit](https://github.com/InstallerLegacy/pdp7-unix/releases/latest/download/pdp7.zip)
If you want to build the kit yourself, refer to [our guide on how to do so](/blog/building-pdp7-unix-images-yourself/).
## Using ! PDP7 Unix
:::tip
If you have not already installed SIMH PDP-7 emulator, see [the VirtualHub Setup tutorial on how to do so](https://setup.virtualhub.eu.org/simh-pdp7/) on Linux and Windows.
:::
Extract the kit you downloaded. Inside you will find two files. Create a folder somewhere to store the files for this VM and move those two files named `boot.rim` and `image.fs` into it.
Now we will create a config file for our VM. Create a text file called `pdp7.ini` with the following content in the VM folder:
```ini
set cpu 8k
set cpu eae
set cpu history=100
show cpu
set tti unix
set rb ena
att rb image.fs
set g2in ena
att -U g2in 12345
set lpt disa
set drm disa
set dt disa
show dev
load boot.rim 010000
go
```
![pdp7.ini](./pdp7unix-SIMH-1.webp)
Now open a terminal and move to the VM folder. Run the following command to start the emulator:
```bash
pdp7
```
![pdp7](./pdp7unix-SIMH-2.webp)
After the emulator starts, login using the ID `ken` and password `ken`. You will see the following screen:
![login](./pdp7unix-SIMH-3.webp)
:::tip
There are other user accounts on the image like `dmr` (password: `dmr`). Do you know who `dmr` and `ken` were? Check the first comment to find out, or search it on the web!
:::
Type `ls` followed by enter. It will list all the files available on the disk.
![List of files in ! PDP7 Unix](./pdp7unix-SIMH-4.webp)
That's it! We used ! PDP7 Unix. We can create a shell script to make it easy to launch the VM. Create a file called `pdp7unix.sh` with the following content:
```bash
#!/bin/bash
pdp7
```
Now make the file executable:
```bash
chmod +x pdp7unix.sh
```
Now you can start the VM using the shell script. For example, on KDE you can right-click the file and choose `Run in Konsole` or on GNOME, where you can right-click the file and choose `Run as executable`. The VM will start.
See the [manuals section](/1970s/1970/pdp7unix/#manuals) on the [main ! PDP7 Unix page](/1970s/1970/pdp7unix) to learn how to use it.
### Windows
:::tip
You should use Linux. If you dont know how to install a Linux distro, see [our tutorials on how to install Kubuntu](https://setup.virtualhub.eu.org/tag/os/), a beginner-friendly distro.
:::
On Windows, you need to place the `PDP7.exe` file you downloaded in [this tutorial](https://setup.virtualhub.eu.org/simh-pdp7#windows) in the VM folder. Then you can follow the above tutorial as usual. The shell script will not work on Windows. You need to rename it to `pdp7unix.bat`. Then you can double-click the file to launch the VM, no need to make it executable.
## Credits
- The disk image and other files used above are from a kit built from the [project to resurrect Unix on the PDP-7 from a scan of the original assembly code](https://github.com/DoctorWkt/pdp7-unix).
## Video tutorial
Do you want to follow the tutorial by watching a video? We will post a video on our [YouTube channel](https://www.youtube.com/@virtua1hub) soon.
Archives of this tutorial are available on [Wayback Machine](https://web.archive.org/web/*/https://virtualhub.eu.org/1970s/1970/pdp7unix/simh/).

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