Hidden feature on Windows Xp

1. Application Secrets

Defrag
Secret - Hidden Command Line Switch
Instructions - Go to "Start", "Run" and Type defrag c: -b to defragment the Boot and Application Prefetch information. Similar to what BootVis invokes.

Paint
Secret - Image Trails
Instructions - Open an image and hold down Shift then drag the image around to create an image trail.

Secret - 10 X zoom
Instructions - Open an image and select the magnifying glass icon. Left-click exactly on the line below the 8 X.

2. OS Secrets

Add/Remove
Secret - Hidden Uninstall Options
Instructions - Warning: Proceed at your own risk.
Browse to C:Windowsinf and make a backup copy of sysoc.inf. Then open the original file C:Windowsinfsysoc.inf in notepad. Go to "Edit" and select "Replace". In "Find what" type, hide and in "Replace with:" type, then select "Replace All", save and close the file. Go to the control panel, "Add/Remove", select "Add/Remove Windows Components". You will now see many more Windows components to uninstall. Do not remove anything with no label or that you do not recognize or fully understand what it does. Doing so can break certain functionality in Windows.

Control Panel
Secret - Hidden Control Panel Extensions
Instructions - Download and install Tweak UI, launch, go to "Control Panel" and check any item not selected, then "Apply" and "OK". You will now see the hidden control panel extensions.

Device Manager
Secret - Hidden Devices
Instructions - Go to the control panel, "System" icon, "Hardware" tab and select "Device Manager". Select View and Show hidden devices.

Music
Secret - Music from the Installer
Instruction - Browse to C:Windowssystem32oobeimagestitle.wma and play

Shutdown
Secret - Display Hibernate Option on Shut Down dialog.
Instructions - Go to "Start", "Turn Off Computer" and press either Shift key to change "Stand By" button to "Hibernate".