4 ms·The Air runs Ubuntu pretty well. I only saw OS X on my 2010 11" on the initial boot and never since :-)by bergie 15y agoThe Air runs Ubuntu pretty well. I only saw OS X on my 2010 11" on the initial boot and never since :-)2mur 15y agoHow's the battery life compared to OSX?bergie 15y agoSlightly worse, I get about 3-4 hours.