On 10/8/2016 12:36 PM, Felix Miata wrote:
Richard Owlett composed on 2016-10-08 10:47 (UTC-0500):
...today, while chasing down an intermittent problem, I
needed to know which point release was active...
cat /etc/debian_version
I never had need of "cat" before.
Exploring /etc was educational. Browsing randomly hints that much
can be done to "have Debian *MY WAY* " [apologies to some fast
food chain ;] Many man pages to investigate.
...and which physical device contained the OS...
(as Ben Finney already answered)
mount | grep 'on / '
Worked nicely.