-mcs is the Mono C# compiler, an implementation of the ECMA-334
-language specification. You can pass one or more options to drive the
-compiler, and a set of source files. Extra options or arguments can
-be provided in a response file. Response files are referenced by
-prepending the @ symbol to the response file name.
+mcs is the Turbo C# compiler (also known as the Mono C# compiler), it
+is an implementation of the ECMA-334 language specification. You can
+pass one or more options to drive the compiler, and a set of source
+files. Extra options or arguments can be provided in a response file.
+Response files are referenced by prepending the @ symbol to the
+response file name.