NTFS
sir system file we used for execute the system with windows . Because without system file we can not boot the system properly may be this is correct answers .
EFS stands for Encrypted File System and is used to encrypt folders and files in Windows XP or Vista.This encryption works ONLY when using the Windows NTFS file system!
In the Windows OS it is Windows Explorer.
it is a 'bitmap' image file used mainly by the windows operating system.
NTFS
On a modern Microsoft Windows computer, the most frequently used file system is NTFS.
Under Windows, a floppy drive is always formatted using the FAT 12 file system.
The sbusbdll file in the Windows operating system is used to provide support for USB devices and facilitate communication between the operating system and connected USB devices.
NTFS
FAT (file allocation table) and NTFS (Windows NT file system).
Pagefile.sys
NTFS