>> >        rm -f /onetbsd
>> >        mv /netbsd /onetbsd
>> >        cp netbsd /
...
>> 	cp /netbsd /onetbsd
>> 	cp netbsd /newnetbsd
>> 	mv /newnetbsd /netbsd
>> 
>> it's much more atomic.
>
>an operation is either atomic, or not atomic.
>
>the following *is* atomic:
>
>	rm -f /onetbsd
>	ln /netbsd /onetbsd
>	cp netbsd /nnetbsd
>	mv /nnetbsd /netbsd

yes, you are correct.  yours is more atomic than mine.  i was,
however, not shooting for complete atomicity, but just the atomicity
of the existence of a coherent /netbsd.  :P

-- 
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