4

I want to learn C# on a Debian system.

What do I have to install?

Is there something like an interactive prompt where I can try running snippets of code?

I have to learn C# and I have a dual boot computer, but don't feel like powering off Linux and booting Windows just for learning C#.

  • 1
    Hey, why all the negative votes? Is that because it's a question about a MS technology? – Pierre B Nov 26 '17 at 18:45
  • 2
    I have edited it not to look like a request for learning materials (which is what it's getting close votes for). – Michael Homer Nov 26 '17 at 18:46
10

What do I have to install?

apt install mono-mcs

and optionally

apt install monodevelop

if you want something more like an IDE.

mcs is the compiler. You can run the compiled program with mono prog.exe (or as ./prog.exe with binfmt_misc support enabled, which I believe Debian will do by default).

Is there something like a prompt where I can try running snippets of code?

apt install mono-csharp-shell

and then

$ csharp
Mono C# Shell, type "help;" for help

Enter statements below.
csharp> Console.WriteLine("Hello world!")
Hello world!
csharp>
0

To complement the previous answer, there's also the .NET Core SDK, which is has a faster and cleaner implementation of the .NET framework(albeit it's somewhat imcomplete, being a Core CLR. Still really reliable, though). If you don't need C# for WinForms, UWP and WPF development, I really recommend checking it out. By now, most libraries should be supporting .NET Core. Download link: https://dotnet.microsoft.com/download

As for the IDE, there's VS Code, which is the one I'm currently using, and JetBrains Rider. MonoDevelop does have an addon for NET Core support, but I heard it's lacking features(especially on the debug department).

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