What is the purpose of .dll extension in application?
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Posted 31 May 2017 - 05:00 AM
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A .dll (Dynamic Link Library) is a file composed of small programs and code containing functions that can be used by other executable code such as an application or another .dll module that is running on the computer. Larger applications use .dll files during program execution rather than being compiled with the main program. Programmers use .dlls to provide code that they can reuse and to parcel out distinct jobs. Unlike an executable (.exe) file, a .dll cannot be directly run so it must be called from other code that is already executing. Since these files can contain code used by other programs, some .dll files may be locked and considered as in use by that program or the operating system so they cannot be easily deleted.
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