PARAMETER:DESCRIPTION:PARAMETER_NAME
shutdown@all:When the system is shut down, synchronize all users in the system with the global configuration
shutdown@users:On system shutdown, synchronize users 1000<=UID<=6000 in the system with the global configuration
shutdown@systems:On system shutdown, synchronize system users 500<=UID<=999 in the system with the global configuration
shutdown@<min>-<max>:When the system is shut down, synchronize the range of UIDs of users in the system with the global configuration
shutdown@<uid>:When the system is shut down, synchronize the user UID in the system with the global configuration