Difference Between Linker and Loader :
| S.No. | LINKER | LOADER |
|---|---|---|
| 1 | The main function of Linker is to generate executable files. | Whereas main objective of Loader is to load executable files to main memory. |
| 2 | The linker takes input of object code generated by compiler/assembler. | And the loader takes input of executable files generated by linker. |
| 3 | Linking can be defined as process of combining various pieces of codes and source code to obtain executable code. | Loading can be defined as process of loading executable codes to main memory for further execution. |
| 4 | Linkers are of 2 types: Linkage Editor and Dynamic Linker. | Loaders are of 4 types: Absolute, Relocating, Direct Linking, Bootstrap. |
| 5 | Another use of linker is to combine all object modules. | It helps in allocating the address to executable codes/files. |
| 6 | Linker is also responsible for arranging objects in program’s address space. | Loader is also responsible for adjusting references which are used within the program. |
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