Set User Level Permissions in XP

First u need NTFS file system on ur drive.
Use the command " convert "to change file system to NTFS.
U won't need to format the drive if u use this command.
The syntax is as follows convert drive /fs:ntfsif u need to convert drive d:
the command will be " convert d: /fs:ntfs

"If the volume is in use by the OS, it will ask for a force unmount of the volume.
Allow it. Ur drive will be converted to NTFS either at the same time or after reboot. Then do the following steps.
Open folder options.
Select the View tabnavigate to the last entryThe last entry is " Use simple file sharing "Uncheck it.
Now check the property window of the NTFS drive.
You will find an additional tab called "security".
Now you can set user level permissions on ur drives and folders.
If u check the USE simple file sharing after setting the permissions,nobody will find the trick.
U can restrict the access to ur personal files.
NB: Use the following commands to make ur account more secure1.gpedit.msc -allows u to edit group policies2.secpol.msc -allows u to edit the security policies3.services.msc - allows you to disable unwanted services like "remote registry"U can restrict access even to control panel,command promt and registry if u use group policy editor(gpedit.msc).

Group policy editor is not available in Windows XP home edition.