Mmap
id:
mmap-195-5705104
title:
Mmap
text:
In computing, mmap(2) is a POSIX-compliant Unix system call that maps files or devices into memory. It is a method of memory-mapped file I/O. It implements demand paging because file contents are not immediately read from disk and initially use no physical RAM at all. The actual reads from disk are performed after a specific location is accessed, in a lazy manner. After the mapping is no longer needed, the pointers must be unmapped with munmap(2). Protection information—for example, marking mapp
brand slug:
wiki
category slug:
encyclopedia
description:
Memory map - POSIX-compliant system call
original url:
https://en.wikipedia.org/wiki/Mmap
date created:
date modified:
2023-09-29T11:23:01Z
main entity:
{"identifier":"Q1935626","url":"https://www.wikidata.org/entity/Q1935626"}
image:
fields total:
13
integrity:
14