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Explain IL, CIL, and MSIL.

Expert .NET Core
Quick Answer IL (Intermediate Language), CIL (Common Intermediate Language), and MSIL (Microsoft IL) all refer to the same thing: the platform-independent bytecode that .NET compilers produce. CIL is the official ECMA standard name. MSIL is the old Microsoft name. IL is the everyday shorthand. The JIT converts IL to native machine code at runtime.

Answer

IL, CIL, and MSIL refer to the same CPU-independent intermediate instruction set executed by the CLR before JIT compilation.

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