Vista Transactional File Systemhttp://weblogs.com.pk/nasir/archive/2007/09/17/vista-transactional-file-system.aspxTransactional NTFS (abbreviated TxF) brings the concept of atomic transactions to the NTFS file system, allowing Windows application developers to write file output routines that are guaranteed to either completely succeed or completely fail. TransactionalenCommunityServer 2.1 SP2 (Build: 61129.2)