dynamic link library

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Definitions of dynamic link library words

abbreviation Technical meaning of DYNAMIC LINK LIBRARY Dynamically Linked Library 3
noun Definition of dynamic link library in Technology (library) (DLL) A library which is linked to application programs when they are loaded or run rather than as the final phase of compilation. This means that the same block of library code can be shared between several tasks rather than each task containing copies of the routines it uses. The executable is compiled with a library of "stubs" which allow link errors to be detected at compile-time. Then, at run time, either the system loader or the task's entry code must arrange for library calls to be patched with the addresses of the real shared library routines, possibly via a jump table. The alternative is to make library calls part of the operating system kernel and enter them via some kind of trap instruction. This is generally less efficient than an ordinary subroutine call. It is important to ensure that the version of a dynamically linked library is compatible with what the executable expects. Examples of operating systems using dynamic linking are SunOS (.so - shared object files), Microsoft Windows (.dll) and RISC OS on the Acorn Archimedes (relocatable modules). 1
noun dynamic link library a set of programs that can be activated and then discarded by other programs 0

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A common word. It’s meaning is known to most children of preschool age. About 95% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

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