<I am running 1.2C NetBSD/vax on microVAX 3600.
<When I power off my console terminal, NetBSD exit to the boot prompt >>>
<command 'continue' resume activity of system.
<What it is?

Yuri

It is a vax hardware thing.  If you power down the terminal it is the same 
as sending "break" and if enabled the vax will interrupt to the console boot
rom.  Most vaxen have a switch or jumpers on the cpu card to disable that 
feature.

Allison