# Listen for messages published to channels matching the given patterns
PSUBSCRIBE pattern [pattern ...]

# Inspect the state of the Pub/Sub subsystem
PUBSUB subcommand [argument [argument ...]]

# Post a message to a channel
PUBLISH channel message

# Stop listening for messages posted to channels matching the given patterns
PUNSUBSCRIBE [pattern [pattern ...]]

# Listen for messages published to the given channels
SUBSCRIBE channel [channel ...]

# Stop listening for messages posted to the given channels
UNSUBSCRIBE [channel [channel ...]]