From Splunk Wiki
What is IRC?
Internet Relay Chat (IRC) has been around since 1988, and while its usage has been declining the past decade or so, it's still a place for users who share common interests to congregate.
How do I get on this crazy ride?
Depending on your level of expertise, there are several different ways. I'll start with the simplest, OS-agnostic ways and get into specifics farther down.
Generic Settings for IRC Clients
The network name is EFNet The channel name is #splunk
Links to MAC Clients
Links to Windows Clients
Links to Linux Clients
Links to other web clients
There are many other clients out there - please feel free to add your favorites to the list!
You can get a basic tutorial here - IRC Tutorial
See more about our community here - #Splunk IRC Community