Compare with the previous file system, NTFS provides more features that improve the security, space efficiency, reliability and data integrity of the disk volume. NTFS new features made it is suitable to in a network environment. As network becomes bigger and more users are connected, more security and data efficiency must be provided. Among the features of NTFS that will be discussed are:
- NTFS Compression features
- It is a file-based compression that allows a file or folder to be compressed (reduce space needed to store file) and can be read and written by any windows-based application. This compression is handled by the operating system itself.
- NTFS Encryption
- NTFS can automatically encrypt and decrypt the file data to provide an additional level of security for files and directories.
- NTFS Object Permission
- NTFS enable user to set permission on file or folder for security purpose. This features used to control the access level for particular user or group to file or folder. Permission can be set by Administrator, file or folder's owner and any user or group that have full control permission to the file or folders.
- Disk Quotas
- Give administrator ability to track and control disk space usage in the volume on a per volume basis or per user basis. Disk quotas can only be set on a volume (drive C and D for example) but not on a file or folder.
- NTFS Journalizing
- Provides a persistent log for every change made to files or folders and other object in NTFS volume. The changes that recorded including adding, deleting or modifying files or folders. When the record size exceeds the limit size, older records are deleted.
- Sparse file
- This features enable volume to use file system space efficiently, where it allow program to create large files which contains of non meaningful data (zero data) and meaningful data (non-zero data). Only meaningful data are allocated in the disk space and the non meaningful data is not allocated in the disk space
All of these features will be discuss in the next post where it will be discuss features by features.
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