Re: Another system management tool to disappear.
Le 31/08/2015 20:53, Charlie Kravetz a écrit :
> On Mon, 31 Aug 2015 19:42:20 +0200
> Nicolas George <george@nsup.org> wrote:
>
>> Le quartidi 14 fructidor, an CCXXIII, Lisi Reisz a écrit :
>>>> What are you talking about? The command to start the shell, or the key
>>>> sequence to exit it?
>>> Using su to change user.
>> Then I do not agree with your statement that "machinectl shell" is less
>> disability-friendly than su, quite the contrary.
>>
>> Two-letters commands are a scarce resource, there are only 676 of them
>> (assuming you do not want to mix case), and much less of them that look or
>> sound like something.
>>
>> "machinectl shell" is long to type, there is no doubt about, but at that
>> cost, it does not pollute the command namespace: you do not type it by
>> accident, it does not clutter completion. If you need it infrequently,
>> typing all of it is negligible; if you need it frequently, you can use a
>> shell alias to make it shorter: alias mcshell="machinectl shell"; if you
>> need it very very frequently, you can even decide to give it a single letter
>> alias. Entirely your choice.
>>
>> su, on the other hand, is taking a valuable 1/676 of the completion
>> namespace for itself, whether you use it or not, whether you want it or not.
>>
>> If Poettering had used a short command for his new tool, that would have
>> been a valid complaint against it, because anyone can make something they
>> use shorter and more accessible, but once something is in the way, it stays
>> there.
>>
>> Regards,
>>
> To exit the shell created with "machinectl shell", you are instructed
> "Press ^] three times within 1s to exit session." That is very
> unfriendly for disabled. Not all can hit any key in 1 second. To
> specify two keys is even harder. There has never been mention of any
> other method to exit this new shell command.
>
It is also very US centric, because on non US keybaord that combination
can be difficult to press (eg on french keyboard).
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