OS X Mavericks: Tips, Tricks, and Details Posted on Tuesday, October 22nd, 2013 at 6:39 pm. PT Written by Jim Dalrymple Federico Viticci has been busy again. Brian Mauter Activity Monitor is hella different now with Mavericks. http://tewha.net/ Steven Fisher The Memory tab is, I think, the first good place to check if OSX needs more RAM. A bit funny, then, that it happened after so many Macs no longer have upgradable memory.