Compilation

• High Level Language (HLL) is a language for expressing algorithms whose meaning is (for the most part) independent of the particular computer system being used

• A compiler translates a high-level language into object files (machine language modules).

• A linker translates object files into a machine language program (an executable)

• Example:

  • create object file “fork.o” from C program “fork.c”:
    gcc -c fork.c -o fork.o
    
  • create executable file “fork” from object file “fork.o”:
    gcc fork.o -o fork
    

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