What Is Virtual Address Space in Linux?
Contents in Computing, a Virtual Address Space (Vas) or Address Space Is the Set of Ranges of Virtual Addresses That an Operating System Makes Available to a...
In computing, a virtual address space (VAS) or address space is the set of ranges of virtual addresses that an operating system makes available to a process. … This provides several benefits, one of which is security through process isolation assuming each process is given a separate address space.
What is virtual address in Linux?
In Linux each process has its virtual address space (e.g. 4 GB in case of 32 bit system, wherein 3GB is reserved for process and 1 GB for kernel). This virtual addressing mechanism helps isolating the address space of each process. This is understandable in case of process since there are many processes.
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What is virtual address space of a process?
The range of virtual addresses that is available to a process is called the virtual address space for the process. Each user-mode process has its own private virtual address space. For a 32-bit process, the virtual address space is usually the 2-gigabyte range 0x00000000 through 0x7FFFFFFF.
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