Releasing IP address

Hi all,
I'm stock in my linux box :-).
I don't know how can I release IP address. I get my IP address through DHCP Server. In Windows we can simply use command "ipconfig /release" so we can release IP address. Currently I'm using RedHat 8.0. Does any one know how can I release my IP address?
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If you only have 1 network card I would use
/etc/rc.d/init.d/network stop

That will shut down your network and should release the IP address.  To get the network up again you would use:

/etc/rc.d/init.d/network start

There was a command called "pump" in the previous versions of RHL to release IP address. so iam not sure whether it will be in RHL 8.0. Check it out....

if u  wish to individually release the ip address for say eth1...
u have all the scripts located in /etc/sysconfig/networking-scripts/
or something similar directory...
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m_a_navidAuthor Commented:
Thank you all,
My problem has been solved, I was playing with commands in linux. There is a file located in /sbin called "dhpclient" I think this is the name. By executing this file with "-r" it will release our IP address. i.e: /sbin/dhpclient -r

Thanks all of you ;-)
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