It’s customizable - you can roll your own custom Kali Linux ISO image and put it onto a USB drive using the same procedures.It’s portable - you can carry Kali Linux in your pocket and have it running in minutes on an available system.It’s non-destructive - it makes no changes to the host system’s hard drive or installed OS, and to go back to normal operations, you simply remove the Kali Live USB drive and restart the system.One of the fastest method, for getting up and running with Kali Linux is to run it “live” from a USB drive.