You can change servers with the /server command
- Networks. Many IRC
clients enable you to join more than one network at the same time. You
can then switch between channels on the same network, and between channels on
- Channels. Many channel names are well known and can be found on more than one network. You can open the same channel
on different networks, and participate in more than one conversation at once.
Your messages will appear in the window that is currently highlighted.