How to boot system into emergency mode in solaris

IA32 system:
1) At boot, prompt type
b –s : To boot system into single mode
b –a : To boot system step-by-step i.e. interactively.

SPARC System:
1) At Ok, prompt type:
boot –s : To boot system into single mode
boot –a : To boot system step-by-step i.e. interactively

See also Solaris > How to boot system into emergency mode