Raspbian-Stretch is a GNU/Linux operating system derived from Debian 9, initially released in August 2017. Raspbian is the most widely used Pi based distribution and the one recommended by the Raspberry Pi Foundation, who distribute their own images of it in 3 flavours, a full version with Desktop GUI and recommended software, Desktop GUI, and a "lite" version without any GUI pre-installed.

Raspbian-Stretch is a GNU/Linux operating system derived from Debian 9, initially released in August 2017. Raspbian is the most widely used Pi based distribution and the one recommended by the Raspberry Pi Foundation, who distribute their own images of it in 3 flavours, a full version with Desktop GUI and recommended software, Desktop GUI, and a "lite" version without any GUI pre-installed.