Windows (2k/XP)

fsutil binary does not ship in win2k. You can grab it off a winxp system (WINDOWS\system32\fsutil.exe). IT does work on win2k NTFS (simply changes some registry settings). Most fsutil settings require a reboot.
Directory with lagre number of files : Disable 8.3 filenames (fsutil behaviour set disable8dot3 )
Large number of file access in a folder : Diable Last Access time update ( fsutil behaviour set disablelastaccess )
High I/O intensive operations on SMP systems : Bypass I/O counts