Description: Kext, short for ‘kernel extension’, refers to a module that extends the functionality of the kernel in Unix-like operating systems. These modules allow developers to add new features or capabilities to the operating system without needing to modify the kernel itself. Kexts are essential for system modularity, as they enable the dynamic loading and unloading of functionalities, facilitating system updates and maintenance. Being components of the kernel, kexts have direct access to hardware resources and can interact with other components of the operating system, granting them a crucial role in device management and the implementation of network protocols, among other tasks. The ability of kexts to be loaded at runtime provides flexibility and efficiency, allowing the operating system to adapt to different environments and needs without requiring a complete reboot. This feature is particularly valuable in server environments and in systems that require high availability and performance.
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