1. ϢעУ
   HKLM\System\CurrentControlSet\Services\RRamdisk\Parameters\
   ΪʲôҪRRamdisk֣ΪXP SP1ʼһramdisk
   ҪXP Embedڴеġ

2. : DiskSizeM, DiskSizeK
   MKΪλ̴СKλȡ

3. : MediaType
    ģĴͣ
       1 -- ڴ
       2 -- ̶ (ȱʡ)
       3 -- ƶ
       4 -- ƶ𲻴

4. : DriveLetter
   ̷ȱʡΪ R:

5. : SectorsPerCluster 
   ϣĴشС, :
       <= 2M		FAT12, =512
       <= 32M		FAT16, =512
       <= 64M		FAT16, =1k
       <= 128M		FAT16, =2k
       <= 256M		FAT16, =4k
       <= 512M		FAT32, =2k
       <= 16G		FAT32, =4k
       ......
   ѡĴشСȱʡСᱻʽFAT32ʽ

6. : Image
   rdutilҪԶNTFSӳ. :
   1) ̣Ҫκβ
   2) ʽΪNTFS
         FORMAT /FS:NTFS /Q /V:RamDisk /A:512 R:
   3) NTFS־С赽С2M
         CHKDSK /L:2048 R:
   4) ԤȨޣֻԱʹ̣
         CACLS R:\ /G: BUILTIN\Adminstrators:F
   5) һЩĿ¼ṹʱĿ¼
         MKDIR R:\TEMP
   6) ѹ̣浽ע
         rdutil R: registry

   ע:
   1) ӦþҪϷ̫ණѹӳļܳ64K
   2) ı̴Сʱ´ӳļ
   3) ӳļС̴Сʱ̽Զʽ
      ҪԶʽɾע

   rdutil ʹʾ:
   1) עӳļ
         rdutil save filename
   2) ָעӳļ
         rdutil load filename
   3) ѹӳļС
         rdutil R:
	 rdutil registry
	 rdutil unpacked_file
      ڶѹעõȱʡ̷
      ѹ⿪ӳļ
   4) ѹ̷ע
         rdutil R: registry
   5) ѹ̷浽ļ
	 rdutil R: packed_file
   6) ӳļ⿪
         rdutil unpack packed_file unpacked_file
   7) һNTFSֱָ
         rdutil link temp \

7. ¸ʽ
   ڴ⣬̷¸ʽ磺
   ̶
       FORMAT /FS:NTFS /FORCE /Q /V:RamDisk /A:512 R:
   ƶ
       ECHO Y | FORMAT /FS:NTFS /FORCE /Q /V:RamDisk /A:512 R:
   ڿű¸ʽƼٴθʽΪFAT
   ΪʽķͨøʽЧʸߡҪ
   ӳļãرƼ¸黯Ϊ׼ʽ

8. ҳ潻ļ֧
   ʹù̶ͣҲ¸ʽϵͳֱӰ
   ҳļӵϡ ʹͣҪ¸ʽ
   ʹaddswap򴴽ҳļ 磺
       addswap r:\pagefile.sys 16 32
   һҳļС16M32M

9. TEMP ʱĿ¼
   ʽʱѾTEMPĿ¼ҪĻҪTEMPTMP
   赽Ŀ¼£õĿ¼

10. NTFS ӵ
    ʹڴ̽ʱܴNTFSӵ̡
    ̶ƶʶû⡣

11. Connectix VirtualPC 
    VPC޷ʹRAWʱҪʹù̶͡

12. ̷ʽ
    DriveLetterעֵΪգκ̷עⲻɾ
    DriveLetterȱʡR
    ̷ʽ£rdutilramĿ¼ָֻ̣NTFS
	   rdutil link C:\ramdisk
	   	 C:\ramdisk ̸Ŀ¼
	   rdutil link C:\TEMP TEMP
	   	 C:\TEMP ̵ \TEMP 
	   rmdir C:\ramdisk
	   	rmdir ֱɾӵ㣬ӰĿ
    Ƽʹ̷ģʽΪǷ޷ʵʱ̷ķ