Why does the Linux Operating System works in virtual address mode?Linux is a multitasking operating system. Each task (except kernel tasks / drivers) has its own virtual memory space ...
Separating the process memory space keeps some advantages:
- it protects the process from reading or writing data beyond its own address space
- user application functions (except library functions) don't need to be relocated during startup (the virtual process memory always starts at address 0x0)
- the kernel is able to swap out the memory space
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