DNS search path

[Steven Stromer <filter@xxxxxxxxxxxxxxxxx>]

I am pretty comfortable with networking, but I've always had this hole 
in my understanding, and want it filled. In Fedora's Network 
Configuration control panel, there is a field for DNS search path. I 
believe that it defaults to localhost.localdomain, which doesn't seem 
very useful. I understand that some providers give out the information 
for this field, but many hosts don't list this info. Is this field the 
fqdn of the router provided by the ISP, another router further into the 
ISP's network, or what? Can it be either a fqdn or an ip?

Thanks for any direction!

Steven Stromer

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