later equals never

[b]1. change user : SU[/b] eg: if current user is root, u want to change to another user A, then : su userA 1. just list directory: ls -l| grep ^d 2. list specific character directory ls...

step1: add gateway vi /etc/sysconfig/network add below "GATEWAY" line NETWORKING=yes NETWORKING_IPV6=no HOSTNAME=localhost.localdomain [b]GATEWAY=192.168.1.1[/b] step2: add your n...