EXE is an executable file that works as an application and it runs individually as it contains an entry point. DLL is a Dynamic Link Library which is a supportive file to other applications, and it cannot run individually.
In a .NET context, both EXE (Executable) and DLL (Dynamic Link Library) files are crucial components in software development:
- EXE (Executable):
- An EXE file contains an executable program that can be run independently.
- It typically serves as the entry point for an application.
- EXE files are designed to be executed directly by the operating system or a user.
- In .NET, an EXE file can be either a console application or a Windows Forms application or a Windows Presentation Foundation (WPF) application, among others.
- DLL (Dynamic Link Library):
- A DLL file contains code and data that can be used by multiple programs simultaneously.
- It allows modular programming by providing reusable code and resources.
- DLLs are loaded at runtime and linked dynamically to an executable at runtime or when needed.
- They are commonly used for code libraries, shared resources, or components in .NET applications.
- DLLs facilitate code reuse, reduce redundancy, and enable easier maintenance and updates.
In summary, while both EXE and DLL files contain executable code, the key difference lies in their usage and purpose: EXE files are standalone executables for applications, while DLL files are shared libraries containing reusable code for multiple applications.