Kali Linux
Kali Linux (formerly known as BackTrack) is a Debian-based distribution with a collection of security and forensics tools. It features timely security updates, support for the ARM architecture, a choice of four popular desktop environments, and seamless upgrades to newer versions.
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Zorin OS
Zorin OS is an Ubuntu-based Linux distribution designed especially for newcomers to Linux. It has a Windows-like graphical user interface and many programs similar to those found in Windows.