Cleaning pagefile.sys
Intro
Pagefile.sys is a file that is currently used by Microsoft Windows to store frames of memory that do not currently fit into physical memory. The paging file allows the memory requirement to run all tasks to exceed the amount of physical memory and swapping allows multiple processes to run at the same time
Virtual memory extension
This technique below allows you to extend your virtual memory.
Under Windows XP and 2000, you can clean the file pagefile.sys to improve its overall performance. This can be performed by creating or modifying the REG_DWORD value from 1 to 0 in the registry KEY ClearPageFileAtShutdown. This is located under the KEY :
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SessionManager\Memory Management
To access the above mentioned Key, Go to menu
Start>
Run and type
regedit.
This modification can surely impact the time needed by Windows need to boot.
This system file is situated under the root:
C:\Pagefile.sys