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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


Initially, virtual memory meant the idea of using disk to extend RAM. .... That information is kept in another page table, which is indexed by the virtual page ( same as ... It's useful to keep it located in certain parts of RAM for just such a purpose.

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.

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.

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.

RAM, virtual memory, pagefile, and memory management in Windows


Bruce Sanderson's general Windows information: RAM, virtual memory, pagefile, and all ... In Windows systems, these “paged out” pages are stored in one or more files ... The location and size of the page file is configured in System Properties ...

Chapter 3: 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 ...

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 ...

What is Virtual Memory? - Quora


Virtual memory is a way of hiding some peculiarities of an actual computer from programs, .... The operating system has to constantly swap information back and forth ... the RAM is 65536 numbers long, and a program requests the number stored at ... do I know if a program's active data is located in RAM or in virtual memory?

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


A small set of basic input/output system instructions stored in ROM, which cause ... (based on configuration information stored in the computers' CMOS memory). ... the computer to the location of virtual memory are stored in RAM and are lost ...

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 ...