

Kali Linux is a free and open source Linux operating system specially designed for penetration testing (computer system security) using a wide range of available security tools. The following new tools have been added to Kali Linux 2021.1: Compared to previous releases, this Kali Linux version includes many new features and updates, such as Xfce 4.16, KDE 5.20, Command-Not-Found package, new Kali ARM images used with VMs on Apple M1 Macs, new tools added (see list below), terminal tweaks and more. It is available for installing 32-bit and 64-bit versions, and a choice of different desktop environments such as KDE, LXDE, and MATE is available in a single ISO image file. Kali Linux 2021.1 was released on February 14, 2021, it was preceded by version 2020.4 and was available for desktop / laptop computers.
