Tcommand: "fsfreeze-freeze" | "fsfreeze-status" | "fsfreeze-thaw" | "fstrim" | "get-fsinfo" | "get-host-name" | "get-memory-block-info" | "get-memory-blocks" | "get-osinfo" | "get-time" | "get-timezone" | "get-users" | "get-vcpus" | "info" | "network-get-interfaces" | "ping" | "shutdown" | "suspend-disk" | "suspend-hybrid" | "suspend-ram"
The QGA command.