Delete files without moving to recycle bin

You can easily delete files without moving to recycle bin. For this you have to edit the group policy of Windows XP. Follow these steps:
1) start -> run -> type gpedit.msc
2) select user configuration -> administrative templates -> windows component -> internet explorer.
3) find "Do not move deleted files to recycle bin" setting.
4) double click on it and then click apply.
you are done with it.
NOTE: you can also do this by pressing shift key simentaneously with delete key when you delete a file.
Warning- editing this setting can lead undesirable affects and you may not be able to disable this feature.