Date: Sat, 08 Apr 1995 21:00:00 -0700
From: "Jordan K. Hubbard" <jkh@freefall.cdrom.com>
To: Christoph Kukulies <kuku@gilberto.physik.rwth-aachen.de>
Cc: joerg_wunsch@uriah.heep.sax.de, freebsd-current@freefall.cdrom.com (user alias)
Subject: Re: should su retain ${DISPLAY}
Message-ID: <1112.797400000@freefall.cdrom.com>
In-Reply-To: Your message of "Sat, 08 Apr 95 19:36:36 %2B0200." <199504081736.TAA10286@gilberto.physik.rwth-aachen.de>
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> Excuse my ignorance: What does su - do? I don't see it documented. It looks > like it executes roots dotfiles. I also see $DISPLAY preserved during a > normal 'su'. It executes the dotfiles for whichever user you're su'ing to. I think of `su -' as "su, but flush my current environment totally and adopt that of the user I'm su'ing to." It is therefore arguable that not preserving DISPLAY in these cases is, in fact, the right thing to do. Jordan
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