Shows statistics for the server you designate, if you don't specifically designate a server it defaults to the server you are on.
Commands:
c - Connections, h - Hubs, i - Allowed Hosts, j - Client Type Count, k - Automatic Kills, l - Links, m - Commands, o - Operators, q - Qlines, Q - Send Queue,
u - Uptime, U - Unknown Connections, V - Streaming Server, w - Statistics, x - Unconnected Servers, Z - Internal Information, 1 - Memory stats, 2 - System stats, 4 - Resolver information, 5 - Version history
Example:
/hs stats <command>