read the handbook... it's the second chapter in this webpage.
2 karma · joined November 15, 2016
rm -rf /* has very limited damage. chmod -R 0000 /* won't touch chmod and all kind of ooops become much less destructive.
It's probably not useful in all scenarios, but definitely some systems deserve to never be touch live. Automation, scada, super important core backbone systems.
FreeBSD is the power to serve. It deserves more credits.