[HOW TO] using loopback files

Morning,  Sometimes, you want to have a specified mount point for backing up. But, you could not find any free mount point.  Also I explain why do we need to have a specified mount point. 1. To mark as a backup mount point other purpose, then nobody have a mistake with this.  2. Clearly mount point for managing  So, why did I us "loopback file?  Using "loopback file", I...