Thank you very much for your concern. After editing this file, Should i save it only? or, i should run some command to enforce new settings Thanx Jim Perrin wrote: >> Clearly, the user manmod caused this huge load. >> Are there any way to prevent such high load caused by any user on the >> system except root?? > > You can set up resource limiting by modifying > /etc/security/limits.conf to suit your needs. > >