my ubuntu 10.10 x64 was installed on this box one year ago, with 6Gb of ram.
recently i've noticed that system monitor reports just 3.9GiB for memory. That can't possibly be right (in windows i'm having access to the full 6Gb of ram on the same machine)
any idea what might be happening?
uname -m x86_64 free -m total used free shared buffers cached Mem: 3954 1802 2151 0 53 1014 -/+ buffers/cache: 735 3219 Swap: 5721 0 5721