HOW TO LOCK A FOLDER BY USING NOTEPAD

1) Suppose you want to lock a folder named debasish in your f:\, whose path is f:\debasish

2) Now open the Notepad and type the following

ren debasish debasish.{21EC2020-3AEA-1069-A2DD-08002B30 309D}

3) Where debasish is your folder name. Save the text file as loc.bat in the same drive.

4) Open another new notepad text file and type the following

ren debasish.{21EC2020-3AEA-1069-A2DD-08002B30 309D} caclub

5) Save the text file as unloc.bat in the same drive.
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Usage:
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6) To lock the debasish folder, simply click the loc.bat and it will transform into control panel icon which is inaccessible.

7) To unlock the folder click the unloc.bat file. Thus the folder will be unlocked and the contents are accessible.