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Encyclopedia > Vista IO technologies
This article is part of the
Windows Vista series.
New features
Overview
Technical and core system
Security and safety
Management and administration
Removed features
Other articles
Editions and pricing
Development history
Criticism
List of Windows Vista topics

Microsoft's latest Windows operating system, Windows Vista, includes a number of new I/O technologies and enhancements that are intended to shorten the time taken to boot the system, improve the responsiveness of the system, and improve the reliability of data storage. Windows Vista is a line of graphical operating systems used on personal computers, including home and business desktops, notebook computers, Tablet PCs, and media centers. ... Windows Vista (formerly codenamed Windows Longhorn) has many significant new features compared with previous Microsoft Windows versions, covering most aspects of the operating system. ... Windows Vista (formerly codenamed Windows Longhorn) has many significant new features compared with previous Microsoft Windows versions, covering most aspects of the operating system. ... There are a number of security and safety features new to Windows Vista, most of which are not available in any prior Microsoft Windows operating system release. ... Windows Vista provides contains a range of new technologies and features that are intended to help network administrators and power users better manage their systems. ... This article or section does not adequately cite its references or sources. ... Windows Vista ships in six editions. ... Development of Windows Vista occurred over the span of five and a half years, starting in earnest in May 2001,[1] prior to the release of Microsofts Windows XP operating system, and continuing until November 2006. ... Windows Vista, the latest version of Microsofts desktop operating system, has been the target of a number of negative assessments by various groups. ... Windows Vista is the latest release of Microsoft Windows, a line of graphical operating systems used on personal computers, including home and business desktops, notebook computers, Tablet PCs, and media centers. ... Microsoft Corporation, (NASDAQ: MSFT, HKSE: 4338) is a multinational computer technology corporation with global annual revenue of US$44. ... Microsoft Windows is the name of several families of proprietary software operating systems by Microsoft. ... An operating system (OS) is a set of computer programs that manage the hardware and software resources of a computer. ... Windows Vista is a line of graphical operating systems used on personal computers, including home and business desktops, notebook computers, Tablet PCs, and media centers. ... Energy Input: The energy placed into a reaction. ...

Contents

ReadyDrive

ReadyDrive is a feature of Windows Vista that enables Windows Vista PCs equipped with a hybrid drive to boot up faster, resume from hibernation in less time, and preserve battery power. Hybrid hard drives are a new type of hard disk that integrates non-volatile flash memory with a traditional hard drive. Feature description ReadyDrive is a feature of Windows Vista that enables Windows Vista PCs equipped with a hybrid drive to boot up faster, resume from hibernation in less time, and preserve battery power. ... This article refers to the computer hard disk. ... This article is about the process of hibernation in biology. ... Non-Volatile Random Access Memory (NVRAM) is a type of computer memory chip which does not lose its information when power is turned off. ... A USB flash drive. ...


In June 2006, David Morgenstern wrote an article for eWeek suggesting that ReadyDrive might sacrifice data integrity for speed and battery savings.[1]


The drive-side functionality will be standardized in ATA-8. It has been suggested that Programmed input/output and WDMA (computer) be merged into this article or section. ...


SuperFetch

SuperFetch prioritizes the programs you're currently using over background tasks and adapts to the way you work by tracking the programs you use most often, at what times of day that applications are used and intelligently preloading these into memory. This also improves performance in situations where running an anti-virus scan or back-up utility would result in otherwise recently-used information being paged out to disk, or disposed from in-memory caches, resulting in lengthy delays when a user comes back to their computer after a period of non-use.


While the necessary files by default are loaded into main memory, Windows Vista has the ability to instead use alternate storage methods, such as USB flash drives, which, though not as fast as RAM, often can be significantly faster than a hard disk drive; thereby freeing up main memory. A USB flash drive, shown with a 24 mm U.S. quarter coin for scale. ... Look up RAM, Ram, ram in Wiktionary, the free dictionary. ... Primary storage is a category of computer storage, often called main memory. ...


Transactional NTFS

Transactional 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. In computing, an atomic transaction is a database transaction or a hardware transaction which either completely occurs, or completely fails to occur. ... NTFS or New Technology File System[2] is the standard file system of Windows NT and its descendants Windows 2000, Windows XP, Windows Server 2003, and Windows Vista. ... In computing, a file system (often also written as filesystem) is a method for storing and organizing computer files and the data they contain to make it easy to find and access them. ...


Transactional NTFS is implemented on top of the Kernel Transaction Manager (KTM), which is a Windows kernel component first introduced in Windows Vista that provides transactioning of objects in the kernel. The NTFS file system already supports journaling of low-level operations, such as writing a block of data. Transactional NTFS expands on this capability to include: Kernel Transaction Manager (KTM) is a component of the Windows Vista kernel that enables applications to use atomic transactions on resources. ... A journaling (or journalling) file system is a file system that logs changes to a journal (usually a circular log in a specially-allocated area) before actually writing them to the main file system. ...

  • Atomic operations on a single file:
A common example of this is saving a file from an application; if the application or machine were to crash while writing the file, then only part of the file could be written, possibly resulting in a corrupted file. This would be a very significant problem if a previous version of the file was being over-written, as data would likely be lost.
  • Atomic operations spanning multiple files:
If an application needs to update several files at once with a set of changes, all the necessary file operations can be performed as a single transaction, preventing inconsistent updates in the event of a failure.
  • Atomic operations spanning multiple computers:
Performing the same operation on multiple computers is a fairly common administrative task in a corporate network; Transactional NTFS integrates with the Distributed Transaction Coordinator to ensure that the change is successfully applied to all machines.

Transactional NTFS allows for files and directories to be created, renamed, and deleted transactionally. In software application development, structuring into independent components can create the problem of managing each component. ...


Notes

  1. ^ David Morgenstern (June 10, 2006). Is Vista Heading for a Flash Nightmare?. eWeek. Retrieved on 2007-02-22.

2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the Anno Domini era. ... February 22 is the 53rd day of the year in the Gregorian calendar. ...

See also

Windows Vista (formerly codenamed Windows Longhorn) has many significant new features compared with previous Microsoft Windows versions, covering most aspects of the operating system. ... BitLocker Drive Encryption is a data protection feature integrated into Microsofts Windows Vista operating system that provides encryption for the entire OS volume. ... PVP-OPM (Protected Video Path - Output Protection Management) is a form of DRM expected to be implemented in Microsofts Windows Longhorn. ... Acidity redirects here. ...

External links

  • Because We Can, a Microsoft developer blog that discusses TxF both conceptually and in code
  • Kernel Transaction Manager documentation on the Microsoft Developer Network.
  • Introduction to Vista Transactional NTFS (TxF) with Detours explaining Windows Vista new Transactional NTFS (TxF) APIS using Detours library.

 
 

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