The concept of virtual memory to physical memory when the system's physical memory space to make ends meet, the operating system on your hard drive to open up a disk space as memory usage, this part of hard disk space is called virtual memory. Win386.swp file in the form of Windows 98 and Windows 2000/XP form to manage the virtual memory page file pagefile.sys.
First, the size
1. In general
Under normal circumstances, it is recommended to let Windows manage virtual memory to automatically assign it according to the actual memory usage, dynamically adjusts the size of virtual memory. Read more