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mmap |
1 definition found From The Free On-line Dictionary of Computing (13 Mar 01) [foldoc]: mmap The {Unix} {system call} which establishes a mapping between a range of addresses in a user process's address space and a portion of some "memory object" (typically a file, one of the special devices" /dev/mem or /dev/kmem or some {memory-mapped} peripheral). This allows the process to access a file at random byte offsets without using the seek {system call} or to access physical addresses or {kernel}'s {virtual address} space. It can also be used as an alternative to writing a {device driver} since it is usually simpler to code and faster to use (1995-02-14)