<A target="_blank" href="http://www.bobzblog.com/tuxedoguy.nsf/dx/geek-o-terica-9-memory-sub-allocator-or-why-your-servers-memory-usage-only-goes-up-and-happy-fathers-day">With a subtitle of (or, why your server's memory usage only goes up)</A>, and digressions about fathers and Father's Day, Bob Balaban explains how computers use memory.