Jetson Linux (Linux for Tegra - L4T) is the operation system running on embedded PC based on NVIDIA® Jetson™ compute modules. It is a customized Linux operating system derived from the Ubuntu distribution.
Jetson Linux is installed together with the NVIDIA® Jetpack software that includes all the required drivers and software libraries to exploit all the capabilities of the Jetson™ compute modules.
You can read more regarding Jetson Linux on the official NVIDIA® documentation.
Retrieve the Jetson Linux version
You can retrieve the version of Jetson Linux with the command
cat /etc/nv_tegra_release
the output will be similar to
# R35 (release), REVISION: 3.1, GCID: 32827747, BOARD: t186ref, EABI: aarch64, DATE: Sun Mar 19 15:19:21 UTC 2023
that corresponds to Jetson Linux v35.3.1.
Retrieve the Jetpack version
You can retrieve the version of the Jetpack package with the command
apt-cache show nvidia-jetpack
the output will be similar to
Package: nvidia-jetpack
Version: 5.1.1-b56
Architecture: arm64
Maintainer: NVIDIA Corporation
Installed-Size: 194
Depends: nvidia-jetpack-runtime (= 5.1.1-b56), nvidia-jetpack-dev (= 5.1.1-b56)
Homepage: http://developer.nvidia.com/jetson
Priority: standard
Section: metapackages
Filename: pool/main/n/nvidia-jetpack/nvidia-jetpack_5.1.1-b56_arm64.deb
Size: 29304
SHA256: 7b6c8c6cb16028dcd141144b6b0bbaa762616d0a47aafa3c3b720cb02b2c8430
SHA1: 387e4e47133c4235666176032af0f2ec86461dbb
MD5sum: 0a8692031bf35cc46f7a498e2937bda9
Description: NVIDIA Jetpack Meta Package
Description-md5: ad1462289bdbc54909ae109d1d32c0a8
that corresponds to NVIDIA® Jetpack v5.1.1.