The following definitions apply:
Selects an alternative executable to be the first process. altinit must be a valid path to an executable. The default first process is described in init(1M).
Controls the boot behavior of SMF. There are two categories of options, recovery options and messages options. Message options determine the type and number of messages that displays during boot. Service options determine the services that are used to boot the system.
Recovery options include the following:
Prints standard per-service output and all svc.startd messages to log.
Boot to the subgraph defined by the given milestone. Legitimate milestones are none, single-user, multi-user, multi-user-server, and all.
Message options include the following:
Prints standard per-service output and error messages requiring administrative intervention
Prints standard per-service output and messages providing more information.
Boots only to milestone svc:/milestone/single-user:default. This milestone is equivalent to init level s.