List of Some Hidden files of Windows XP

WinXP Hidden Applications

Character Map = charmap.exe (very useful for finding unusual characters)

Disk Cleanup = cleanmgr.exe
Clipboard Viewer = clipbrd.exe (views contents of windows clipboard)

Dr Watson = drwtsn32.exe (Troubleshooting tool)

DirectX diagnosis = dxdiag.exe (Diagnose & test DirectX, video & sound cards)

Private character editor = eudcedit.exe (allows creation or modification of characters)

IExpress Wizard = iexpress.exe (Create self-extracting / self-installing package)

Micro$oft Synchronization Manager = mobsync.exe (appears to allow synchronization of files on the network for when working offline. Apparently undocumented).

windows Media Player 5.1 = mplay32.exe (Retro version of Media Player, very basic).

ODBC Data Source Administrator = odbcad32.exe (something to do with databases)
Object Packager = packager.exe (to do with packaging objects for insertion in files, appears to have comprehensive help files).

System Monitor = perfmon.exe (very useful, highly configurable tool, tells you everything you ever wanted to know about any aspect of PC performance, for uber-geeks only )

Program Manager = progman.exe (Legacy window$ 3.x desktop shell).

Remote Access phone book = rasphone.exe (documentation is virtually non-existant).

Registry Editor = regedt32.exe [also regedit.exe] (for hacking the window$ Registry).

Network shared folder wizard = shrpubw.exe (creates shared folders on network).

File siganture verification tool = sigverif.exe
Volume Control = sndvol32.exe (this is for those people that lose it from the System Notification area).

System Configuration Editor = sysedit.exe (modify System.ini & Win.ini just like in Win98! ).

Syskey = syskey.exe (Secures XP Account database - use with care, it's virtually undocumented but it appears to encrypt all passwords, I'm not sure of the full implications).

Microsoft Telnet Client = telnet.exe

Driver Verifier Manager = verifier.exe (seems to be a utility for monitoring the actions of drivers, might be useful for people having driver problems. Undocumented).

windows for Workgroups Chat = winchat.exe (appears to be an old NT utility to allow chat sessions over a LAN, help files available).

System configuration = msconfig.exe (can use to control starup programs)
gpedit.msc used to manage group policies, and permissions.