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Change IP Name-Servers on Cisco 3750 Switch

I have a couple of Cisco 3750 switches that I just need to change the IP Name-server from 192.168.1.7 to 192.168.1.3 and I don't know what the commands are.  This isn't that complicated but I am not a command line guy and don't want to bring in a Cisco guy for something so simple.  Can someone please tell me the commands to change the IP Name-Servers?  
Thanks!
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jorlando66
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Config# ip name-server 192.168.1.3
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Ken Boone
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Split the points because I used one to add and needed the second comment to remove the old.  Thanks for the lightning fast response
there is also a web interface on the switch if you do not want to use cli.
Hopefully someone will help me out once more quick.  Where are helper addresses placed?  I keep reading about helper addresses in my switches.  But I don't see anything?  
The helper address would be used on a layer 3 interface to point dhcp requests to a dhcp server that is not on that particular layer 3 network.

So for instance if you had

Interface vlan20
ip address  192.168.20.1 255.255.255.0
ip helper-address 192.168.100.12

That would send all dhcp broadcasts that come in on vlan20 to the dhcp server shown at 192.168.100.12
Ah I see.  i have a pretty flat network with all clients fitting in the 192.168.1/24 network so I wouldn't need that in there.  

Thanks!