description: 'We can run ! Nova RDOS on the Wild Hare Nova emulator. First, we need to download the ! Nova RDOS disk image. You can download the disk image needed to run ! Nova RDOS on the Wild Hare Nova emulator from the Wild Hare Legacy Preservation Website website:'
sidebar_position: 1
sidebar_label: "! Nova RDOS on Wild Hare Nova emulator"
---
# How to install ! Nova RDOS on Wild Hare Nova emulator?
We can run [! Nova RDOS](/1970s/1972/nova-rdos) on the Wild Hare Nova emulator. First, we need to download the ! Nova RDOS disk image.
## Downloads
You can download the disk image needed to run ! Nova RDOS on the Wild Hare Nova emulator from the [Wild Hare Legacy Preservation Website website](http://www.novasareforever.org/):
- [! Nova RDOS disk image](http://www.novasareforever.org/archive/public/wh/simh/disks/DZP.6067.RDOS.raw)
## Using ! Nova RDOS
:::tip
If you have not already installed Wild Hare Nova emulator, see [the VirtualHub Setup tutorial on how to do so](https://setup.virtualhub.eu.org/wh-nova/) on Linux and Windows.
:::
Create a folder somewhere to store the files for this VM and move the disk image you just downloaded into it. Now we will create a config file for our VM. Create a text file called `nova.ini` with the following content in the VM folder:
```ini
set CPU Eclipse_S/140
set PTR enable
set PTP enable
set PLT enable
set LPT enable
set DSK disable
set DEP disable
set DKP enable
set DZP enable
set TTI1 enable
set TTO1 enable
set ALM enable
set TTI bs swap
set TTO bs
dep TTO time 200
set TTI1 bs swap
set TTO1 bs
dep TTO1 time 200
set RTC MIPSsec=5
set DZP0 6067
attach DZP0 DZP.6067.RDOS.raw
deposit DZP stime 1000
deposit DZP rtime 1000
```
Now open a terminal and move to the VM folder. Run the following command to start the emulator:
```bash
nova
```
There are different versions of RDOS for different models of Nova computer. They are:
- URDOS
- MRDOS
- NRDOS
- ZRDOS
If you want to run URDOS, run the following commmand at the `sim>` prompt:
```bash
set CPU NOVA
boot DZP
```
If you want to run MRDOS, run the following commmand at the `sim>` prompt:
```bash
set CPU NOVA_840
boot DZP
```
If you want to run NRDOS, run the following commmand at the `sim>` prompt:
```bash
set CPU NOVA_4/X
boot DZP
```
If you want to run ZRDOS, run the following commmand at the `sim>` prompt:
```bash
set CPU Eclipse_S/140
boot DZP
```
When prompted `Filename? `, type the name of the type of RDOS you want to run. For example, for NRDOS, type `NRDOS` and press enter.
When asked for date, enter it in `MM/DD/YY` format. For example, enter `04/13/74`. Keep the year in 1970s or 80s, to avoid any issues. Similarly, when asked for time, enter it in `HH:MM:SS` format. For example, enter `12:55:31`.
Now you can type `LIST` and press enter. It will list all the files available on the disk.
That's it! We used ! Nova RDOS. We can create a shell script to make it easy to launch the VM.
### Linux
Create a file called `Nova-RDOS.sh` with the following content:
```bash
#!/bin/bash
nova
```
Now make the file executable:
```bash
chmod +x Nova-RDOS.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/1972/nova-rdos/#manuals) on the [main ! Nova RDOS page](/1970s/1972/nova-rdos/) to learn how to use it.
### Windows
Create a file called `Nova-RDOS.bat` with the following content:
```bash
nova
```
Now you can start the VM by double-clicking the shell script. See the [manuals section](/1970s/1972/nova-rdos/#manuals) on the [main ! Nova RDOS page](/1970s/1972/nova-rdos/) to learn how to use it.
## Credits
- The disk image and other files used above are from the [Wild Hare Legacy Preservation Website website](http://www.novasareforever.org/).
## 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/1972/nova-rdos/wh/).
