It's a common dilemma: I just got a brand new Linux machine, loaded it up with lots of expensive RAM, and left it for a day. Now, it's out of memory, or it is swapping! It definitely has enough RAM, so there must be a bug in Linux!I assure you, in almost all cases, your system has plenty of RAM. However, where is all of that RAM going? For what does Linux use all of it? How can I actually tell tha