The post lists all sorts of boot options that you can enable with various keys pressed down while booting. You might also want to check out the article at Apple Support site on
"Setting up firmware password protection in Mac OS X". It has no further keys explained, but still contains some valuable piece of information regarding the Mac boot process.
Recent comments
6 days 17 hours ago
1 week 15 hours ago
1 week 17 hours ago
1 week 1 day ago
1 week 1 day ago
1 week 5 days ago
1 week 5 days ago
3 weeks 3 days ago
3 weeks 3 days ago
3 weeks 5 days ago