linker

n. person or thing that joins or connects

In computer science, a linker or link editor is a program that takes one or more objects generated by compilers and assembles them into a single executable program.In IBM mainframe environments such as OS/360 this program is known as a linkage editor.(On Unix variants the term loader is often used as a synonym for linker. Because this usage blurs the distinction between the compile-time process and the run-time process, this article will use linking for the former and loading for the latter. However, in some operating systems the same program handles both the jobs of linking and loading a program, see dynamic linking.)
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adj. left, of the left

adj. left hand

adj. dangerous

<programming, tool> (linkage editor, link loader) A program that combines one or more files containing object code from separately compiled program modules into a single file containing loadable or executable code
This process involves resolving references between the modules and fixing the relocation information used by the operating system kernel when loading the file into memory to run it.
Under Unix, the linker is called "ld" and object files have filename extension .o (object), .so (shared object), or .lib (library), and the resulting executable is called "a.out" by default.
(2001-10-13)