Here is trick by which u can make a folder of size 0 kb.. still the folder having losts MB or GB of data......


Following are the some steps for it:


1) Make new folder and rename it as
'private'
..

2) Copy any size of data and paste inside
the folder
..

3) Open notebook and type 'cacls
private /e /p everyone:n' (without
quotes).

4) Now try to open this folder 

 this folder is not also delect

 5)Again open new notepad and type
' cacls personal /e /p everyone:f '


6)Remember that Both  file should
save in the same directory .

7) After right click on folder and
you can see folder size is 0kb

8) using this trick u can hide ur privat data