how to see all local network and mac addresss?

To see all local ip address and its computer mac address you can use very sample steps to do that.

#go to run and type cmd and write arp -a you will find your all network ip address and its computer mac address. just like

how to delete undeleted files?

several times whenever some one try to delete files or folder they are not able to delete files or folder due an error massage 'you can not delete this file it is used by another program or another user'. To avoid this massage and delete unnecessary files you can follow just very simple steps. just like

How to install samba server in redhat 6/linux 6/RHEL 6

To install samba server you have to use following steps

1. Yum install samba* -y

[to install yum server go this link] 

how to install oracle 11G in Redhat 6/linux 6/RHEL 6

1. edit the /etc/sysctl.conf file
#vim /etc/sysctl.conf


fs.suid_dumpable = 1
fs.aio-max-nr = 1048576
fs.file-max =6815744
kernel.shmall = 2097152
kernel.shmmni = 4096
#semaphores: semmsl, semmns, semopm,semmni
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 9000 65500

how to install yum server in redhat 6/linux 6/RHEL 6

There are some difference installing yum server in red hat 6 and red hat 5. now i am going to show how to install yum server in red hat 6.

1.mount your red hat 6 DVD  in /media folder like 
#mount /dev/Dvd  /media

2.go to /media/RHEL_6.0*86_64(H:)/Packages folder like this
#cd  /media/RHEL_6.0*86_64(H:)/Packages

Keyboard Shortcut

Several times people are boring to use mouse .instead of using mouse you can use keyboard shortcut.

Here is important keyboard shortcut described below.

Keep your computer virus free.

Several time virus is affecting your computer dangerously.

You can safe your computer mainly your operating system by taking some easy and simple step. for this purposes use following this steps.

1.At first download Deep freeze software from this link 

Exam Oracle 10g Administration2

1.Which underlying database technology is used by flashback table, and Flashback version query to recovery data?

            A. Redo logs

            B. Rollback segments

            C. Undo data

            D. Archive logs

Ans: c