how to lock folders using batch programming

Open Notepad from your Start -> All Programs -> Accessories -> Notepad

STEP 1:-

Open notepad and copy and paste in this code,

title Folder Locker
if EXIST "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" goto UNLOCK
echo Are you sure u want to Lock the folder(Y/N)
set/p "cho=>"
if %cho%==Y goto LOCK
if %cho%==y goto LOCK
if %cho%==n goto END
if %cho%==N goto END
echo Invalid choice.
ren Locker "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
attrib +h +s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
echo Folder locked
goto End
echo Enter password to Unlock folder
set/p "pass=>"
if NOT %pass%==munna goto FAIL
attrib -h -s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
ren "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" Locker
echo Folder Unlocked successfully
goto End
echo Invalid password
goto end
md Locker
echo Locker created successfully
goto End

STEP 2:-

Once the code in notepad save it as "FloderLock.bat"

Step 3:- 

You should now have a .bat file called "Folderlock" double click on it and within a second a new folder called "Locker" Should have been created. Now drop all the files you want like to lock away in "Locker"

STEP 4:-

When you've gotten all the files you want into lock away in "Locker" now to lock it, double click on "FolderLock.bat" and type "Y" when the command prompt comes up. Your folder will now be locked and will disappear.

STEP 5:-

To unlock the folder click on "FolderLock.bat' when the command prompt comes up type "Y". The folder "Locker" and all it's documents should be back in the same directory as "FolderLock"

Default Password for locker -> munna
You can modify it via Code editing..