How To Determine OS Version on Your Raspberry Pi
Someday you may realise that you had your Raspberry Pi for so long that you no longer remember what OS release it’s running.
Turns out, it’s super easy to double-check:
root@s7:~# cat /etc/os-release PRETTY_NAME="Raspbian GNU/Linux 8 (jessie)" NAME="Raspbian GNU/Linux" VERSION_ID="8" VERSION="8 (jessie)" ID=raspbian ID_LIKE=debian HOME_URL="http://www.raspbian.org/" SUPPORT_URL="http://www.raspbian.org/RaspbianForums" BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"