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Your blaming the victim instead of the software.
I still type :Q and :W as well, but that is not what is being discussed.
Have you ever irrevocably bricked your system, as @waisbrot mentioned they have twice, from typing :W or :Q? Have you ever bricked your system from typing :X? If so, that isn’t a “use :x vs :wq” problem, that’s seems more of a use common sense problem.
Not sure how you get "irrevocably bricked your system" from "encrypted my file", but you do you, I guess
You should also let the OP do the OP. They said they made a mistake. Simply, without complaining, and they do something else now. It's that simple
> I've twice encrypted my file with password like `cd tmp`, then saved the config file, breaking my system.
I get “irrevocably bricked system” from the fact that they “broke their system” and I am inferring it could only be something worth mentioning if it were irreversible.
I originally was trying to point out that parent was off-topic, because :x and :X are different. But a fleet of downvotes flooded in, so I defended my viewpoint for the catharsis.
So, `:wq!`, or as I call it "write the fucking file and quit, _with feeling_"