A multi user operating system allows to permission of multiple users for accessing the single machine at a time. All different users can access that system running operating system with the help of several terminals, which are connected in…

Wondering how to save Snapchat videos on your phone? Because Snapchat doesn’t allow as officially you to save or download other user’s video in your gallery. Snapchat don’t provide any option to save Snapcht videos anywhere on this app. Sn…