Hi,
Li Daobing:
> sometimes one partition will be read only,
> for example:
> $touch tt
> touch: cannot touch `tt': Read-only file system
>
Please examine your kernel log (/var/log/kern.log).
This is, most likely, a file system corruption or a disk error.
--
Matthias Urlichs | {M:U} IT Design @ m-u-it.de | smurf@smurf.noris.de