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Re: misc/42237: /dev/null permission issues

> ÂAnyone who makes a symlink point at /dev/null is just asking for big
> Âtrouble, especially if it is any pathname that could ever be accessed in
> Âany way by any privileged process.

So, the correct way to get rid of less(1) history is LESSHISTFILE
environment variable setting of "-", but redirecting garbage to the
black hole is useful, so the flag is to be set by default indeed.

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