Content-type: text/html Man page of mem

mem

Section: Environments, Tables, and Troff Macros (7)
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NAME

mem - physical memory interface  

DESCRIPTION

The mem character special device file provides access to physical main memory.

Byte addresses in mem are equivalent to physical memory in RAM. References to I/O space addresses or to nonexistent RAM will return errors. Write accesses to console or PAL memory will also return errors.  

RESTRICTIONS

Because memory is read and written in aligned quadwords (eight contiguous bytes), writing fewer than all the bytes in an aligned quadword is a read-modify-write operation that is not protected against concurrent writes to the same quadword.  

FILES

/dev/mem  

RELATED INFORMATION

kmem(7) delim off


 

Index

NAME
DESCRIPTION
RESTRICTIONS
FILES
RELATED INFORMATION

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Time: 02:40:27 GMT, October 02, 2010