So, creating an operating system in Assembly is not easy!
This instructable will show you how to make your own C# operating system. If you are new to C#, consider doing some research first.
Step 1: Gather Resources
First, you need to have Microsoft Visual Studio 2010 or higher installed. Then install Cosmos User Kit Milestone 4.
Link for Cosmos User Kit: https://cosmos.codeplex.com/downloads/get/90082
Cosmos Project Page: https://cosmos.codeplex.com
If you have any problems with installing Cosmos, then comment it.
Let's move on to Step 2.
Step 2: Create the Project
Now that Cosmos is installed, let's create the project.
Select Cosmos Boot in the C# Template list. If you didn't find Cosmos Boot in the C# Template list, read the troubleshooting guide below:
If it didn't show up, try the following:
- Try re-installing Cosmos as an Administrator.
- Try installing Visual Studio 2010.
- Select a different .NET Framework SDK.
Step 3: Coding [the Fun Part]
Now we can start coding!
NOTE: Do not delete any Cosmos-generated code except for Console.WriteLine("You just booted C# code");
An example of C# code:
Console.ForegroundColor = ConsoleColor.Green;
input = Console.ReadLine();
if(input == "hw")
So that was a shell example. Shells are easy to make (my opinion).
Let's move on to Step 4.
Step 4: Building the Operating System
Now that we have written the code, click the green play button in Visual Studio on the Tool Strip.
It should launch the Cosmos Builder.
You can experiment with it and do whatever you want. It will save it in an ISO file so you can burn it to a CD. The path of the image file is displayed on the builder.
If you don't want to burn it, you can emulate it using emulation software such as VirtualBox, Bochs, VMWare and many others.
Have fun with your Operating System!
Step 5: Tutorial Completed
You have completed this tutorial!
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