Le 31/08/2015 20:53, Charlie Kravetz a écrit : > On Mon, 31 Aug 2015 19:42:20 +0200 > Nicolas George <geo...@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).