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docs/1970s/1970/dos-15/index.md

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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).

docs/1970s/1970/dos-15/simh/index.md

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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 don’t 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/).