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Virtual memory - Wikipedia


In computing, virtual memory is a memory management technique that is implemented using .... If it is in real memory, the page table entry will contain the real memory address at which the page is s...

Virtual Memory


Where is it located? That information is kept in another page table, which is indexed by the virtual page (same as the page table we talked about), and tells you ...

linux - Where is the virtual memory stored on hard drive? - Unix ...


Mar 26, 2013 ... Where on the hard drive is this data / instruction stored? ... Browse other questions tagged linux process memory swap virtual-memory or ask your ... Getting information about a process' memory usage from /proc/pid/smaps.

What is Virtual Memory and Why Do We Need It | Utilize Windows


Dec 2, 2015 ... Virtual memory has a very important role in the operating system. ... memory swap file and the disk partition on which the swap file is stored. ... If the system needs to access an application that is located in virtual memory, VMM will first take ... disk is constantly moving information in and out of virtual memory.

Memory Management


The virtual memory can be many times larger than the physical memory in the system, ... more processes exchanging information via memory common to all of them. ... virtual page frame number into a physical one and then access the location ..... Memory mapped files are read a page at a time and these pages are stored ...

Virtual Memory - Computer Systems


address space stored on disk, keeping only the active areas in main memory ..... You can monitor the number of page faults (and lots of other information) .... virtual memory pages, and maps them to k arbitrary physical pages located anywhere.

c++ - Where virtual memory addresses reside? - Stack Overflow


The information about virtual pages (their status, physical location etc.) is stored in page table. How the page table itself is implemented and ...

Virtual Memory Definition - The Tech Terms Computer Dictionary


It does this by using hard disk space for additional memory allocation. However, since the hard drive is much slower than the RAM, data stored in virtual memory ...

Physical Computer Memory and Virtual Memory - Data, Ram, Hard ...


Physical and virtual memory are forms of memory (internal storage of data). ... When information is needed in RAM, the exchanges system rapidly swaps blocks of ... of stored data to a virtual address maintained by the virtual-memory process.

Virtual Memory Addressing


In a system with virtual memory the main memory can be viewed as a cache for the ... part of this information is a frame number — where the page is located in physical memory. ... The page table base address for the process is stored there.

More Info

What is virtual memory? - Definition from WhatIs.com - SearchStorage


Virtual memory is a feature of an operating system (OS) that allows a computer to compensate for shortages of physical memory by temporarily transferring ...

CS110: Introduction to Computers


Virtual memory is not as fast as RAM, because your computer takes longer to ... direct the computer to the location of virtual memory are stored in RAM and are lost when .... A directory contains information about every file on the storage device, ...

How Virtual Memory Works | HowStuffWorks


Learn about virtual memory, how your computer uses virtual memory and how ... to constantly swap information back and forth between RAM and the hard disk.