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I am really getting confused which site is used for which purpose. For example, see the questions below.

From SuperUser

https://superuser.com/questions/428033/why-use-the-command-apt-get-purge-remove-over-apt-get-purge-in-linux

From AskUbuntu

https://askubuntu.com/questions/151941/how-can-you-completely-remove-a-package

From our site

Should I use "apt-get remove" or "apt-get purge"?

All the questions look pretty similar and I believe all these 3 questions ideally belong on AskUbuntu site.

15

The sites overlap a lot. U&L is largely a subset of Super User, and Ask Ubuntu is largely a subset of both. That said, there are some areas which aren't contained in the more broad site, such as Super User probably doesn't want all our shell scripting questions. And we probably don't want questions about Ubuntu the organization. And of course there are lots of topics that Super User is OK with that we don't want, such as Windows.

Graphically:

Diagram of the three sites

Mote that there are overlaps with other sites too; for example, we overlap with Stack Overflow on scripts & the Unix API.

How, then, to decide which site to ask on? Let's assume its something you could ask on any of the three sites, as if it only fits on one, the answer is obvious.

  1. If you want an answer that may use Ubuntu-specific things, and will probably be focused on doing it through some GUI if possible, ask on Ask Ubuntu.

  2. If you want an answer that'll assume familiarity with the command line and basic Unix knowledge, or that will work on multiple distros, ask here.

  3. I wouldn't suggest asking on Super User ⃰ unless there is a substantial overlap with one of the other OS's they're more familiar with. E.g., you're trying to get your Linux server to talk to your Windows client, and you're not sure which side is misconfigured and/or broken.


* If you asked me on chat, I'd say to ask there if you want a wrong and/or misguided answer, but that's not really fair to them—they've got quite a bit of Windows expertise there, we have Unix expertise here. We'd probably give you wrong and/or misguided Windows advice.

  • wonderful and detailed explanation. Thanks :) – Ramesh Jun 7 '14 at 2:12
  • Don't forget that there's also overlap with StackOverflow, as scripting is programming, so it's on-topic there (but hand-typed one-liners probably not -- the boundary is fuzzy). – Barmar Jun 9 '14 at 20:50
  • @Barmar look at the first paragraph under the picture.... – derobert Jun 9 '14 at 21:40
7

Actually in an ideal world all of them belong here, because all Debian-based distributions has the apt binaries, which are in the scope of this QA. Now, here's the take, they are also in the scope of SU and AU. So, where they belong, wherever they can be asked.

2

No site in the Stack Exchange Network has a close reason of “this question would fit better on another site”. Each site defines its own scope, without reference to other sites.

It follows, then, that a question about using apt-get to remove packages can be on topic on each of those sites. So where should the question be posted? Wherever the asker feels comfortable.

Does this duplicate work? Yes. Cross-site duplicates must be separately answered, rather than closed as dupes, so more work must be done. But SE seem to have decided they’re not worried about that. To be fair, most questions which are on topic on multiple sites are fairly simple questions, so it doesn’t duplicate much work.

Can one person ask the same question on multiple sites? No. That is explicitly disallowed. I know that Christianity and Biblical Hermeneutics have come to an agreement that you can cross-post on both sites as long as you substantially rephrase the question to suit each audience: word-for-word cross-posting remains forbidden. I don’t know whether any other two sites have come to similar agreements.

  • What do you mean by your first sentence? Most SE sites have a close reason of the form “This question belongs on another site in the Stack Exchange network”; on Unix.SE, this allows questions to be migrated to SO or Meta. – Stephen Kitt Mar 23 '17 at 12:28
  • 1
    @StephenKitt. "belongs on" != "fits better on". If a question is on topic here, then it's on topic here, regardless of whether it might be "even more on topic" somewhere else. – TRiG Mar 23 '17 at 12:30
  • Ah right, that makes sense, thanks. – Stephen Kitt Mar 23 '17 at 12:34

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