dotnet-csc is a simple .NET tool wrapper over the csc C# compiler provided by all .NET installations, included with the Roslyn compiler platform.

This tool is available under the NuGet package name csc. In order to install it, use the following command:

dotnet tool install -g csc

This tool is mainly intended when compiling C# code from a build system other than MSBuild, or for manually compiling files to IL assemblies.