Upgrading a customized system and possibly ruining it

[flipper_88]

Would a freebsd-update upgrade -r12.0 ruin a operable system which is my only Workstation/Laptop?

 

[SirDice]

You cannot use freebsd-update(8) to upgrade to -CURRENT.

And, Topics about unsupported FreeBSD versions (read it regarding the use of -CURRENT).

 

[Minbari]

Would a freebsd-update upgrade -r12.0 ruin a operable system which is my only Workstation/Laptop?

To upgrade to 12.x you need to compile it from sources.

 

[SirDice]

Yeah, don't. If you have to ask these kinds of questions, -CURRENT is simply not for you. I strongly urge you to stick to one of the supported -RELEASE versions.