Why use "su -" rather than "su"

[Tony Nelson]

At 2:13 AM -0500 7/17/05, John Bray wrote:

>here's a classic case of how to realllly screw up. su - to root. echo
>$PATH note that some dolt has managed to set root's path to include
>/usr/local/bin BEFORE the official sbins! want to guess how this
>stupidity is eventually going to bite us all? :-(

Mine isn't quite so bad, but it does turn out to have the pattern
"foo/sbin", "foo/bin".  I expect that you're saying that it should be all
sbins, then the bins.  I think I'll change it to that.
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