Find out OS version and plattform?

[Yuri Pankov]

Steve O'Hara-Smith wrote:
> On Sat, 13 Jun 2020 09:00:00 +0100
> Matthew Seaman <matthew at FreeBSD.org> wrote:
> 
>> On 12/06/2020 10:03, Ede Wolf wrote:
>>> linux has something like /etc/os-release, which is a textfile, is there
>>> an equivalent [method] in FreeBSD?
>>
>> Yes.  It's exactly the same.
> 
> 	Since when ? There isn't one on my 12.1p3 box.

It seems to be only in stable/12 and head at the moment, and it's 
/var/run/os-release by default.