Archive for 02/22/2010

Peeking into Windows’s virtual store

In the user data area in Windows Vista, Server 2008 and Seven there is a folder called “VirtualStore” which you can find in C:\Users\[USERNAME]\AppData\Local\ .

It is worth having a peek now and again. Here’s part of mine:

image showing my VirtualStore folder

image showing my VirtualStore folder

But what exactly is that folder for?

The Virtual Store is a feature of User Account Control, the centerpiece of Windows’ new enhanced security.  Read the rest of this entry »

SuperFetch – What is this?

SuperFetch is a technology in Windows NT 6.0 (Vista) and onwards that is often misunderstood. I decided to delve into this technology to see what it is all about, and to dispel some of the myths surrounding this feature.

Very succinctly put, SuperFetch is a technology which allows Windows to manage the amount of random access memory in the machine it runs on more efficiently. SuperFetch is part of Windows’ memory manager; a less capable version, called PreFetcher, is included in Windows XP. SuperFetch tries to make sure often-accessed data can be read from the fast RAM instead of the slow hard drive.

SuperFetch’ goals:

SuperFetch has two goals: it decreases boot time, and makes sure applications that you use the most load more efficiently. SuperFetch also takes timing into account, in that it will adapt itself to your usage patterns.

Read the rest of this entry »