Flush DNS Cache in OSX, Linux, and Windows

=Windows (Prior To Vista)=
# Click `Start`->`Run`, type `cmd`, then hit the `Enter` key
# In command prompt, type `ipconfig /flushdns`, then hit the `Enter` key
=Windows (Vista and Later)=
# Click the `Start Orb`
# Type `cmd`, then hit the `Enter` key
# In command prompt, type `ipconfig /flushdns`, then hit the `Enter` key
=Mac OSX 10.4 Tiger=
# Go to `Applications Folder`->`Utilities`->`Terminal`
# In terminal, type `lookupd -flushcache`, then hit the `Enter` key
=Mac OSX 10.5 & 10.6=
# Go to `Applications Folder`->`Utilities`->`Terminal`
# In terminal, type `dscacheutil -flushcache`, then hit the `Enter` key
=Mac OSX 10.7 & 10.8=
# Go to `Applications Folder`->`Utilities`->`Terminal`
# In terminal, type `sudo killall -HUP mDNSResponder`, then hit the `Enter` key
# You will need to enter your Administrative password, then hit the `Enter` key
=Linux=
# Issue the below command in your terminal:
{{{
sudo /etc/rc.d/init.d/nscd restart
}}}


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