.help - help
.version - version
.date - JSON date
.sleep [seconds] - sleep
.requests - show requests count
.sub - subscribe to all channels
.unsub - unsubscribe from all broadcasts
.direct <channel> <message> - send a direct message to a channel
.alias <name> - create a whois entry for your name
.whois [name] - show the channel that name is on (or show all entries)
.rwhois <channel> <name> - check if that combination is (still) present
.reflect - broadcast all direct messages to my channel
.connect <channel> - all my messages now go privately to that channel
.disconnect - disconnect from a connected channel
.setvar <key> = <value>
.chvar <key> = <value>
.getvar <key>
.waitvar <key> - no other commands after this, until WAITVAR response
.shasum <text> - show sha256sum of a text
.weeknumber - ISO8601 weeknumber