Computer knowledge

How to make our app To make your own app follow the step 1.  Firstly open this site  http://www.widgetbox.com/mobile/ 2.  And make you ID 3.  After making your ID click on Make an app 4.  Give your app title and image

                          How to delete Gmail account  To delete gmail account follow the step  1. firstly sing in your account  2. and click on account 

                      How to make undeletable folder  Follow the step to make undeletable folder     1. Firstly open cmd     2. where you want open it in cmd like     3. To make undeletable folder type   md con\ in cmd                                            4. To delete this folder type rd con\                                                                     some name to make undeletable folder like con , lpt1 etc.                                                 ...