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