Memory

http://www.insidemylaptop.com/replace-upgrade-memory-ram-in-dell-latitude-d830-notebook/

http://www.insidemylaptop.com/replace-upgrade-memory-ram-in-dell-latitude-d830-notebook/ used this guide to upgrade memory on Inna’s laptop

http://www.linuxatemyram.com/ this is funny (web page that shows to folks that are new to linux where [i.e. disk cache] the ram goes )

http://varnish-cache.org/wiki/ArchitectNotes excellent notes about app design, and what can happen if an app tries to implement its own memory management

http://lwn.net/Articles/104185/ whenever your are in discussion about OOM, make sure you mention this :-)

http://duartes.org/gustavo/blog/post/memory-translation-and-segmentation very goom sum-up about memory mechanism in modern x86 machines. For more elabored and detailed info