Nice work guys, thanks for instigating @Jon and thanks for helping @Andy_Taylor.
I have merged @Andy_Taylor PR, since this contained the OS check code:
Ignore the face this PR failed the Travis test, this was due to today鈥檚 events in the US. Stay safe out there 
: Update admin_main_view.php by AndyTaylorTweet 路 Pull Request #578 路 emoncms/emoncms 路 GitHub
BTW this thread has now been made public for future ref by all 