hashao> > I am a newbie of perl and have met a problem that a statement of hashao> > dbmopen(%HASH, "/etc/aliases", undef); hashao> > does not work. I guess some library packages related to perl are hashao> > missing in my box. Would you please tell me which package should be hashao> > installed? hashao> hashao> Have you 'man GDBM_File' ? Sorry, it my mistake. dbmopen do works in my box. Thanks for your pointing anyway. Cheers, Wen