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Key Difference – User Mode vs Kernel Mode A computer operates in two modes which are user mode and kernel mode. When the computer is running application software, it is in user mode. After the application software request for hardware, the computer enters kernel mode. The kernel is the core of the computer system. […]
System Call vs Function Call A typical processor executes instructions one by one. But there may be occasions where the processor has to stop current instruction and execute some other program or code segment (residing in some other place). After doing this the processor returns to normal execution and continues from where it left off. […]
