>> I'm a NetBSD newbie and it appears that I've made a very stupid
>> mistake. I accidentally changed root's shell to an invalid shell using
>> chpass and now I'm unable to su to root.
>
>su -m root -c "chsh"
>
>or
>
>su -m root -c "chsh -s /bin/csh"

unless his non-standard shell actually takes arguments like that and
does the right thing with them, that may not work.  su just passes
extra arguments directly to the invoked shell.

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