Describe the meaning of Kernel
Briefly describe the meaning of Kernel?
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Kernel is the heart section of an operating system. It is the kernel which loads first and retain in main memory of the computer system. It offers all critical operations or services those are considered necessary by applications. Kernel takes the responsibility of managing the task, memory, process and disk. Facilities offers by the kernel are illustrated below: Memory management :
The kernel has full entrance to the system's memory and should permit processes to access securely this memory as they need it.
Device management :
To carry out useful functions, processes require access to the nonessentials connected to the computer, that are controlled by the kernel through device drivers
System calls :
o really perform useful work, a process should be capable to access the services provided by the kernel.
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