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After the compilation, the code is stored in . pyc files and is regenerated when the source is updated. This process is known as compilation. Linking − Linking is the final phase where all the functions are linked with their definitions as the linker knows where all these functions are implemented.

Compiling isn't quite the same as creating an executable file! Instead, creating an executable is a multistage process divided into two components: compilation and linking. In reality, even if a program "compiles fine" it might not actually work because of errors during the linking phase.

Linking − The linker is produces the final compilation output from the object files the compiler produced. This output can be a shared (or dynamic) library or an executable. It links the object files by replacing the undefined references with the correct addresses.

Compilation and Linking Steps In the compilation step, these sources are first converted to object files. In the linking step, these object files are linked together to form the executable that is the ultimate output of the project. The libraries that the project uses are also linked at this step.

Compiling - The modified source code is compiled into binary object code. This code is not yet executable. Linking - The object code is combined with required supporting code to make an executable program. This step typically involves adding in any libraries that are required.

Compilation process in C involves four steps: pre-processing, compiling, assembling, and linking. The preprocessor tool helps in comments removal, macros expansion, file inclusion, and conditional compilation. These commands are executed in the first step of the compilation process.