Add User In linux

adduser: shattajit
passwd:123456
passwd:123456
vi /etc/rc.d/rc.local
ifconfig eth0 192.168.1.200 netmask 255.255.255.0 up
service network restart
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=static
BROADCAST=192.168.1.255
HWADDR=00:11:3B:0E:58:1D
IPADDR=192.168.1.200
NETMASK=255.255.255.0
NETWORK=192.168.1.0
ONBOOT=yes
TYPE=Ethernet