Sunday, November 20, 2011


I'm reasonably familiar with the virtual memory systems on classic UNIX, Solaris and current Linux.  However, now that I'm even more a Mac user and (back) in the BSD world, I find myself trying to recall the specific details of memory states, active, inactive, free, wired.

Here's a good reference.  It's not the most lucid discussion but it's accurate.

Chapter 7.  Virtual Memory System, from the FreeBSD Architecture Handbook, The FreeBSD Documentation Project at