Usage:
VBoxControl [-v|-version] print version number and exit VBoxControl -nologo ... suppress the logo
VBoxControl guestproperty get <property> [-verbose] VBoxControl guestproperty set <property> [<value> [-flags <flags>]] VBoxControl guestproperty enumerate [-patterns <patterns>] VBoxControl guestproperty wait <patterns>
VBoxControl sharedfolder list [-automount] VBoxControl writecoredump VBoxControl takesnapshot VBoxControl savestate VBoxControl suspend VBoxControl poweroff VBoxControl help [command] VBoxControl version