[linux-help] Re: C HELP(out of list-subject)

[Greg House <ghouse@xxxxxxxxxxxxx>]

On Sunday 29 April 2001 17:26, you wrote:

> BUT BUT BUT when I run my following program to
> modify/read a value in a certain location (what I tried to do was I
> executed my first program and after inputting the values into the mem.
> locations and getting the addresses I did'nt exit my prog. instead keep it
> running in a nonsense loop so the data remains in those mem. addresses),
> suppose I get a mem. location of 0x0004 :

You can't do that. There is a guard page at the start of your address space, 
so addresses 0x0000000-0x00000200 aren't accessable. If you try to access 
addresses in that range, you'll get a segfault.

Greg
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