Parrot OS is a GNU/Linux distribution based on Debian with a focus on security, privacy, and development. Core Parrot is based on Debian 's testing branch (Bullseye), with a Linux 5.5 kernel. It follows a rolling release development model The desktop environments are MATE and KDE , and the default display manager is LightDM The system is certified to run on devices which have a minimum of 256MB of RAM , and it is suitable for both 32-bit ( i386 ) and 64-bit ( amd64 ) processor architectures Developer Parrot Project Team OS family POSIX based on Debian GNU/Linux Working state Current Source model Open source Initial release 10 April 2013 Latest release 4.9 / April 30, 2020 ; 25 days ago Update method Rolling Release Package manager APT Platforms amd64 (x86-64) , ARM Kernel type Monolithic Default user interface MATE Desktop Environment KDE Desktop Environ...