CHANGE USER ACCAUNT

su
[root@localhost ~]# ls
anaconda-ks.cfg  install.log  install.log.syslog
[root@localhost ~]# clear

[root@localhost ~]# useradd RAJA
bash: useradd: command not found
[root@localhost ~]# useradd RAJA
bash: useradd: command not found
[root@localhost ~]# /sbin useradd raja
bash: /sbin: is a directory
[root@localhost ~]# ls
anaconda-ks.cfg  install.log  install.log.syslog
[root@localhost ~]# adduser RAJA
bash: adduser: command not found
[root@localhost ~]# useradd RAJA
bash: useradd: command not found
[root@localhost ~]# cat /etc/shadow
root:$1$lYyi1Dmv$300DIzdNcqFmbulL77ruR1:14983:0:99999:7:::
bin:*:14983:0:99999:7:::
daemon:*:14983:0:99999:7:::
adm:*:14983:0:99999:7:::
lp:*:14983:0:99999:7:::
sync:*:14983:0:99999:7:::
shutdown:*:14983:0:99999:7:::
halt:*:14983:0:99999:7:::
mail:*:14983:0:99999:7:::
news:*:14983:0:99999:7:::
uucp:*:14983:0:99999:7:::
operator:*:14983:0:99999:7:::
games:*:14983:0:99999:7:::
gopher:*:14983:0:99999:7:::
ftp:*:14983:0:99999:7:::
nobody:*:14983:0:99999:7:::
nscd:!!:14983:0:99999:7:::
vcsa:!!:14983:0:99999:7:::
rpc:!!:14983:0:99999:7:::
mailnull:!!:14983:0:99999:7:::
smmsp:!!:14983:0:99999:7:::
apache:!!:14983:0:99999:7:::
pcap:!!:14983:0:99999:7:::
ntp:!!:14983:0:99999:7:::
dbus:!!:14983:0:99999:7:::
avahi:!!:14983:0:99999:7:::
hsqldb:!!:14983:0:99999:7:::
rpcuser:!!:14983:0:99999:7:::
nfsnobody:!!:14983:0:99999:7:::
sshd:!!:14983:0:99999:7:::
haldaemon:!!:14983:0:99999:7:::
avahi-autoipd:!!:14983:0:99999:7:::
xfs:!!:14983:0:99999:7:::
gdm:!!:14983:0:99999:7:::
kismec11:$1$lGCwEVAe$WgtfqjHHnI1W09AKsK5fv1:14983:0:99999:7:::
RAJA:!!:14983:0:99999:7:::
ali:!!:14983:0:99999:7:::
KING:!!:14983:0:99999:7:::
[root@localhost ~]# cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
news:x:9:13:news:/etc/news:
uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin
operator:x:11:0:operator:/root:/sbin/nologin
games:x:12:100:games:/usr/games:/sbin/nologin
gopher:x:13:30:gopher:/var/gopher:/sbin/nologin
ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin
nobody:x:99:99:Nobody:/:/sbin/nologin
nscd:x:28:28:NSCD Daemon:/:/sbin/nologin
vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin
rpc:x:32:32:Portmapper RPC user:/:/sbin/nologin
mailnull:x:47:47::/var/spool/mqueue:/sbin/nologin
smmsp:x:51:51::/var/spool/mqueue:/sbin/nologin
apache:x:48:48:Apache:/var/www:/sbin/nologin
pcap:x:77:77::/var/arpwatch:/sbin/nologin
ntp:x:38:38::/etc/ntp:/sbin/nologin
dbus:x:81:81:System message bus:/:/sbin/nologin
avahi:x:70:70:Avahi daemon:/:/sbin/nologin
hsqldb:x:96:96::/var/lib/hsqldb:/sbin/nologin
rpcuser:x:29:29:RPC Service User:/var/lib/nfs:/sbin/nologin
nfsnobody:x:65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologin
sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin
haldaemon:x:68:68:HAL daemon:/:/sbin/nologin
avahi-autoipd:x:100:102:avahi-autoipd:/var/lib/avahi-autoipd:/sbin/nologin
xfs:x:43:43:X Font Server:/etc/X11/fs:/sbin/nologin
gdm:x:42:42::/var/gdm:/sbin/nologin
kismec11:x:500:500:IT DEPARTMENT:/home/kismec11:/bin/bash
RAJA:x:501:501::/home/RAJA:/bin/bash
ali:x:502:502::/home/ali:/bin/bash
KING:x:503:503::/home/KING:/bin/bash
[root@localhost ~]# clear

[root@localhost ~]# su RAJA
[RAJA@localhost root]$ su root
Password:
[root@localhost ~]#