Linux for Tegra (Linux4Tegra, L4T) is a Linux based system software distribution by Nvidia for the Tegra processor series, used in platforms like the Nvidia Jetson board series.[1] It is similar to Nvidia's Vibrante Linux distribution.
This system software comes with JetPack, a Software Development Kit (SDK) from Nvidia. The official Nvidia download page bears an entry for JetPack 3.2 (uploaded there on 2018-03-08) that states: