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Feb 25, 2018 at 16:38 vote accept Wolf
Oct 18, 2016 at 12:16 history edited jsw85 CC BY-SA 3.0
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Oct 18, 2016 at 11:45 comment added Gilles 'SO- stop being evil' POSIX also defines vi. Jokes are fine, but don't present them as something serious — I've heard that one before but your target audience hasn't.
Oct 18, 2016 at 1:22 comment added jsw85 Gilles: You're right, it only makes sense if it's been defined. It was the closest thing to a "universal" command per the OP's question. "Ed is the standard" is an old joke, since it's the one defined in the POSIX standard (see "man ed" or Google "Ed is the standard" for more info). I don't know about "edit" on other systems, but mine invokes ex (Arch Linux), so it can't be considered universal.
Oct 17, 2016 at 22:38 comment added Gilles 'SO- stop being evil' $EDITOR only makes sense if it's defined. Invoking ed hardly counts as standard and is abysmal in terms of user-friendliness. edit is perfectly fine on Debian, but may invoke vi on other systems (where does it invoke ex?).
Oct 17, 2016 at 3:21 review First posts
Oct 17, 2016 at 4:59
Oct 17, 2016 at 3:17 history answered jsw85 CC BY-SA 3.0