Yesterday my brother download Foxpro applications from internet. Then he installed the applications on my laptop but suddenly he said the desktop icons and start programs were missing, antivirus were not active and a meesage box on the Desktop that keep saying "security warning worm.win32.netbooster detected on your machine. this virus distributed via internet through email and active-x objects".

Take a look at this page or this site, there's an online Quran web base that you can read and download.
Yes, if you are create a website using Drupal then there's a module to make such thing (Quran web base). It called Quran module.

Drupal 6.6 and Drupal 5.12, maintenance releases fixing problems reported using the bug tracking system, as well as critical security vulnerabilities, are now available for download.

Security Vulnerabilities

Drupal 6.6 and 5.12 were released in response to the discovery of security vulnerabilities. Details can be found in the official security advisory:

Drupal 6.5 and Drupal 5.11, maintenance releases fixing problems reported using the bug tracking system, as well as critical security vulnerabilities, are now available for download.

Security vulnerabilities

Drupal 6.5 and 5.11 were released in response to the discovery of security vulnerabilities. Details can be found in the official security advisory:

• SA-2008-060

thanks God we use sata now, then you have no worry about optimizing the disk, because on sata disk the DMA is on by default and always on.

and the speed is depend to the drivers of the disk, so maybe you have to choose the right hardware for your server.

below is my tests, the best is from the test on intel xeon with intel motherboard (i dont know yet the other spec :)