Strange behaviour of /dev/mem
Glenn Herteg
iapsd!hopi!glenn at uunet.uu.net
Wed Apr 24 10:00:00 AEST 1991
| However, on SLC, IPC and SS1+ machines here, the result is always exactly
| 4Meg regardless of the amount of physical memory the machines have!
RTFM, *carefully*!:
mem is a special file that is an *image of the physical memory* of the computer.
Some machines may not have contiguous physical memory, to allow for
different sizes of SIMMS to be plugged in. Probably there is a "hole"
after the first 4 Meg, and reading /dev/mem in a continuous stream finds
an apparent EOF when it tries to read a hole.
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