Difference between Linker and Loader

Linker Vs. Loader: Explore the difference between Linker and Loader

When it comes to the execution of any programs, linker and loader play a very important role. They are the utility programs that support a program while executing. The purpose of a linker is to produce executable files whereas the major aim of a loader is to load executable files to the memory. Let’s find out more differences between linker and loader.

What is a Linker?

A linker is an important utility program that takes the object files, produced by the assembler and compiler, and other code to join them into a single executable file. There are two types of linkers, dynamic and linkage.

What is a Loader?

In the world of computer science, a loader is a vital component of an operating system that is accountable for loading programs and libraries. Absolute, Direct Linking, Bootstrap and Relocating are the types of loaders.

Difference between Linker and Loader

S.No.

LINKER

LOADER

1

A linker is an important utility program that takes the object files, produced by the assembler and compiler, and other code to join them into a single executable file.

A loader is a vital component of an operating system that is accountable for loading programs and libraries.

2

It uses an input of object code produced by the assembler and compiler.

It uses an input of executable files produced by the linker.

3

The foremost purpose of a linker is to produce executable files.

The foremost purpose of a loader is to load executable files to memory.

4

Linker is used to join all the modules.

Loader is used to allocate the address to executable files.

5

It is accountable for managing objects in the program’s space.

It is accountable for setting up references that are utilized in the program.

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