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Re: My first DontZap use case while testing F11 beta



On 04/17/2009 10:32 PM, Anders Rayner-Karlsson wrote:
* Lars E. Pettersson <lars homer se> [20090417 21:37]:
How often does people actually accidentally press ctrl-alt-backspace? I have *never* done it.

By same argument, taking a rather tongue in cheek attitude, how often
does countries with nuclear ICBM's launch them by accident?

It is not argument as such. If the decision has been made to remove this functionality, the decision has to be based on something. In this case it seem to be based on that people accidentally can press this key-stroke combination and loose data. If this is the case, it is important to know how often this actually happens.

If you look at real life. In our kitchens we have knifes. You can accidentally injure yourself quite badly with a knife. Should we just because of this zap all knife blades to make them safe?

I.e. we have made a decision that knifes are good to have, accidents do happen, but the benefit from having knifes are greater than the consequences of the accidents that can happen. So we keep our knifes.

This analogy converted to this discussion says that OK some, a few, may accidentally press ctrl-alt-backspace, but at the same time this particular key-stroke is very handy under those circumstances when X behaves badly. By removing the functionality you also adds another cost, the cost of extra data loss and other problems, i.e. with file systems, as user, when ctrl-alt-backspace does not work, finally will press the reset button or power cycle their computer. As I see it the benefit from having ctrl-alt-backspace is greater than the cost of a few loosing data.

I.e. how often this problem happens, people accidentally pressing ctrl-alt-backspace, is a valid question in this discussion. Does it happen more often than X crashes? Or less? This is an important parameter in the decision to keep, or not keep, the functionality.

While you certainly can present an argument based on that you have
_never_ done this by accident, I'd like to point you at
http://en.wikipedia.org/wiki/Argument_from_ignorance for reasons why
this is, IMHO, not a sustainable platform to argue from.

Sigh! I just mentioned that *I* had never accidentally pressed this key combination during all those years that I have been using Linux, and therefore find it strange that this has become such a big issue that some wants to remove this functionality. It was *NOT* ment to be a platform to argue from, such an argument would be plainly stupid. If I during all my years have never accidentally pressed this combination, how often does it happen to others? I.e. for me X crashes have happened way more often then me accidentally pressing ctrl-alt-backspace. How is it for others?

English is not my first language, I hope you get what I am getting at this time...

As has been explained *extensively* already, you will still have the
ability to do what you desire - but you will need to (trivially)
enable this yourself in future. As also has been posited already, this
has been blown way out of proportion, quite possibly based on
erroneous assumptions.

What I will do or not do, or what the consequences will be for me personally is actually totally un-important for this discussion. I will just enable the functionality and live on as before.

The important thing is that this removal can create problems for new user of Linux. Why should we learn them to restart the whole machine when it is not needed, and even may create extra data loss, and even problems with the file system. I actually can not understand this. Should we not make life easy for the new ones?

/Lars
--
Lars E. Pettersson <lars homer se>
http://www.sm6rpz.se/


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