/etc/rc0

• Stops System services and daemons
• Terminates all running processes
• Unmounts all file systems

/etc/rc1

• Runs the /etc/rc1.d scripts
• Stops system services and daemons
• Terminates all running processes
• Unmounts all file systems
• Brings the system to single-usr mode

/etc/rc2

• Sets the TIMEZONE variable
• Runs the /etc/rc2.d scripts
• Mounts all file systems
• Saves editing files in /usr/preserve
• Removes any files in the /tmp directory
• Creates device entries in /dev for new devices, if boot -r is run
• Updates device.tab device table
• Prints system configuration
• Configures system accounting
• Configures default router
• Sets NIS domain
• Sets ifconfig netmask
• Starts inetd
• Starts named, if appropriate
• Starts rpcbind
• Starts Kerberos client-side daemon, kerbd
• Starts NIS daemons (ypbind) and NIS+ daemons (rpcnisd), depending on whether the system is configured for NIS or NIS+, and as a client or a server.
• Starts keyserv
• Starts statd, lockd
• Mounts all NFS entries
• Starts automount
• Starts cron
• Starts the lp (printer) daemon
• Starts the sendmail daemon

/etc/rc3

• Runs the /etc/rc3.d scripts
• Starts syslogd
• Cleans up sharetab
• Starts nfsds
• Starts mountd
• If boot server, starts rarpd and rpc.bootparamd
• Starts nis_cachemanager
• Starts rpc.nisd
• Starts RFS services, if configured

/etc/rc5

• Runs the /etc/rc0.d scripts
• Kills the printer daemons
• Unmounts local file systems
• Kills the syslog daemon
• Unmounts remote file systems
• Stops RFS services
• Stops NFS services
• Stops NIS services
• Stops rpc services
• Stops cron services
• Stops NFS client services
• Kills all active processes
• Initiates an interactive boot (boot -a)

/etc/rc6

• Executes /etc/rc0.d scripts that begin with a K (Kill).
• Kills all active processes
• Unmounts the file systems
• Executes the initdefault entries in /etc/inittab

init 0 - Power down state. Used to properly shutdown the system so that it is safe to power off. Executes /etc/rc0.

init 1,S, or s - Referred to as single-user mode. Used to perform certain system administration tasks that require no one else be logged into the system, such as system tape back-ups. the / and /usr directories are the only two file systems mounted. Executes /etc/rc1.

init 2 - Multi-user state, system resources aren't exported. Multiple users can access the system and the entire file system. All daemons are running except for the NFS Server, syslog, and RFS. Executes /etc/rc2.

init 3 - Multi-user state, system resources are exported. Executes /etc/rc3.

init 5 - User is prompted for another boot device other than the default boot device. Executes /etc/rc5.

init 6 - Used to reboot the system. Executes /etc/rc6.

Please Note: init state four is not currently in use.


Source: Solaris System Administrator's Guide by Janice Winsor
Published by SunSoft press 1993


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