read-only mode linux

[m.w.chang]

ah.. a runlevel is the best.

m.w.chang wrote:
> is there a mod or patch or something that could make linux to stop ALL 
> applications from writing to the harddisk except on a specified set of 
> partitions? I meant, can linux kernel guaratee such a thing?
> 
> Why? to check whether the application programs are not lying. :)
> 

-- 
  .~.    Might, Courage, Vision. In Linux We Trust.
 / v \   http://www.linux-sxs.org
/( _ )\  Linux 2.4.20
  ^ ^    8:42am up 10 days, 1:47, 0 users, load average: 1.04, 1.03, 0.97