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Date: Sat, 27 Apr 1996 11:34:42 -0500 (CDT)
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From: Alex Nash <alex@zen.nash.org>
To: kimc@w8hd.org
Cc: current@freebsd.org
Subject: RE: can't change -current kernel file
Reply-to: nash@mcs.com
Sender: owner-current@freebsd.org
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> I can't cp the new kernel to /, can't rm the present one, can't mv
> the present kernel file, the error returned is:
> Operation not permitted

You have to turn off the system immutable flag by typing:

  chflags noschg /kernel

Once you've copied the new kernel, you may want to turn it back on
with:

  chflags schg /kernel

Alex