About: Memory segmentation

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Memory segmentation is an operating system memory management technique of division of a computer's primary memory into segments or sections. In a computer system using segmentation, a reference to a memory location includes a value that identifies a segment and an offset (memory location) within that segment. Segments or sections are also used in object files of compiled programs when they are linked together into a program image and when the image is loaded into memory.

Attributes	Values
rdf:type	organisation
rdfs:label	Memory segmentation (en)
rdfs:comment	Memory segmentation is an operating system memory management technique of division of a computer's primary memory into segments or sections. In a computer system using segmentation, a reference to a memory location includes a value that identifies a segment and an offset (memory location) within that segment. Segments or sections are also used in object files of compiled programs when they are linked together into a program image and when the image is loaded into memory. (en)
sameAs	Memory segmentation
dbp:wikiPageUsesTemplate	dbt:About dbt:Efn dbt:ISBN dbt:Main dbt:Notelist dbt:Reflist dbt:Rp dbt:Application_binary_interface dbt:Memory_management_navbox
Subject	Memory management
gold:hypernym	Division
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Memory_segmentation?oldid=1063248778&ns=0
Wikipage page ID	1323131 (xsd:integer)
page length (characters) of wiki page	15547 (xsd:nonNegativeInteger)
Wikipage revision ID	1063248778 (xsd:integer)
Link from a Wikipage to another Wikipage	Fragmentation (computing) Loader (computing) Process (computing) Protected mode X86 X86-64 X86 memory segmentation .bss Apollo Computer Segmentation fault Task (computing) Burroughs Corporation Burroughs large systems Byte Memory management Object file Offset (computer science) Page (computer memory) Page table Linker (computing) Prime Computer Code segment Computer Computer architecture Computer data storage Control register Operating system Virtual address space Virtual memory Data segment Flat memory model GE-600 series I386 IBM 303X IBM AS/400 IBM System/370 IBM System/38 IBM i System software Exception handling Object file Intel 80286 Intel 8086 Intel i960 Intel iAPX 432 Modular programming Stratus Technologies Memory management (operating systems) Memory management unit Memory paging Memory protection Eicher Polaris Multix Real mode dbr:Physical__address
has abstract	Memory segmentation is an operating system memory management technique of division of a computer's primary memory into segments or sections. In a computer system using segmentation, a reference to a memory location includes a value that identifies a segment and an offset (memory location) within that segment. Segments or sections are also used in object files of compiled programs when they are linked together into a program image and when the image is loaded into memory. Segments usually correspond to natural divisions of a program such as individual routines or data tables so segmentation is generally more visible to the programmer than paging alone.Different segments may be created for different program modules, or for different classes of memory usage such as code and data segments. Certain segments may be shared between programs. Segmentation was originally invented as a method by which system software could isolate different software processes (tasks) and data they are using. It was intended to increase reliability of the systems running multiple processes simultaneously. In a x86-64 architecture it is considered legacy and most x86-64-based modern system software don't use memory segmentation. Instead they handle programs and their data by utilizing memory-paging which also serves as a way of memory protection. However most x86-64 implementations still support it for backward compatibility reasons. (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Memory_segmentation
is Wikipage redirect of	Segment (memory) Segment register Segmentation (memory) Segmented Addressing Segmented address space Segmented addressing Segmented memory Code segments Text segments Memory segment
is Link from a Wikipage to another Wikipage of	List of terms relating to algorithms and data structures Logical address NX bit 16-bit computing 32-bit computing 36-bit computing Address space Analysis of algorithms Array data structure B5000 Instruction Set Bank switching Burroughs Medium Systems COBOL COM file Global Descriptor Table

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