RAM, Virtual Memory, PageFile and all that stuff http://members.shaw.ca/bsanders/WindowsGeneralWeb/RAMVirtualMemoryPageFileEtc .htm This article explains some aspects of the Virtual Memory implementation in Windows 2000, XP, 2003 Server etc. It is intended for a general audience that has an interest in the relationship between RAM (Random Access Memory), Address Spaces, Virtual Memory and pagefile in those systems. An abbreviated version of this article is available at http://support.microsoft.com/?kbid=555223. The article is arranged with basic information covering the scope of the article in 1. Basic Concepts with more details in 2. Additional Detail. This should enable the casual reader to get basic information without getting buried in detail, but those interested in a greater understanding can read the detailed material further down in the article. This article is mainly concerned with 32 bit Windows versions, but most of the discussion is equally applicable to 64 bit versions. See 3. 64 Bit Processors and Address Spaces for some information specifically about 64 bit versions. ++ There is more on the web site. Mike ~ It is a good day if I learned something new. Editor MikesWhatsNews see ~ http://www.mwn.ca <mikeswhatsnews-request@xxxxxxxxxxxxx?Subject=subscribe> See my Anti-Virus pages <http://www3.telus.net/mikebike/mikes_virus_page.htm> <virusinfo-request@xxxxxxxxxxxxx?Subject=subscribe> A Technical Support Alliance & OWTA Charter Member ~*~*~*~*~ Was this forwarded to you? Want to subscribe? Send an email to 1stpickpchelp-request@xxxxxxxxxxxxx?Subject=subscribe. For a complete list of email commands for our list send an email to ecartis@xxxxxxxxxxxxx with a subject of "info 1stpickpchelp" without the quotes. If you wish to unsubscribe from our list send an email to 1stpickpchelp-request@xxxxxxxxxxxxx?Subject=unsubscribe To contact the list moderators send an email to 1stpickpchelp-moderators@xxxxxxxxxxxxx ~*~*~*~*~