kernel: Memory: 3992156k/8388608k available (2242k kernel code, 0k reserved, 1322k data, 224k init) total used free shared buffers cached Mem: 3993352 2541436 1451916 0 526208 481032 -/+ buffers/cache: 1534196 2459156 Swap: 0 0 0 2.6.13-1.1526_FC4smp #1 SMP Wed Sep 28 19:28:24 EDT 2005 x86_64 x86_64 x86_64 GNU/Linux Any idea why I can see all 8gigs but can only use 4gigs?