When I pressed Command S and tried to enter Single User Mode, my MacBook Air goto the rEFIt shell. If I click the Apple icon in rEFIt screen, and then press Command S, Mac OS X simple goes straight ...
I have installed ubuntu on my Air and have it running for over 6 months now. Today I run a software update and grub wanted to update and I selected it to not change anything / update and well it did! ...