Explain Run levels in solaris .

Run Levels

0 -- ok mode
s or S Solaris OE single user mode with critical FS mounted
1 -- Single user administrative state with access to all FS available
2 -- Multiuser can access the System . All sys daemons are running except NFS
3 -- Multiuser operations with NFS & N/W resource available
4 -- Reserved
5 -- Poweroff
6 -- Reboot