NT Internals

Windows NT Information

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NT Internals Tips and Trivia
This page serves an ever-growing grab bag of NT miscellany, some of which will make you go, "ahh!", and some of which won't.
The NT Insider
The only publication devoted to NT internals and device driver information. A subscription brings a copy to your doorstep every other month and its absolutely free! As an OSR staff member, Mark contributes articles to the Insider.
Inside Windows NT Disk Defragmenting
Learn about the secrets Microsoft has shared apparently only with Executive Software (Diskeeper) and Symantec (SpeedDisk). This page documents 3 file system control commands that were introduced with NT 4.0 that make it possible to defragment FAT and NTFS file systems from a Win32 program. A program, Defrag, demonstrates the basics of NT disk defragmenting. Full source is included.
New SP2 System Calls
Documentation on 2 new Win32 calls introduced with NT 4.0 Service Pack 2. It appears that Microsoft added these for their own applications, but we have done them a favor and documented them for all to see.
Windows NT Server vs. Windows NT Workstation
Information on the specifics of the tuning that takes place depending on which mode the operating system is running in. Psuedocode for the tuning that takes place in the operating system is here for download.
last updated January 28