[CentOS] "limit -n XXX" does NOT allow on CENTOS 4.X???

Hi,

2009/7/15 mcclnx mcc <mcclnx at yahoo.com.tw>:
> I login as "oracle" again (bash) and tried to run:
> $ ulimit -n 131072
> -bash: ulimit: open files: cannot modify limit: Operation not permitted

When you log in (before you run this "ulimit" command), what do these return?
$ ulimit -S -n
$ ulimit -H -n

Filipe