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What is the difference between ZZ and :wq commands?


both do the same task..! in the sense :wq,:x and ZZ
are used to save the changes of edited to storage and quit..
but to jot down the difference a foolish one.. :wq and :x
requires <enter> key to be pressed to fire this commands
where as ZZ works as a shortcut (hot) key.. it some what
like for prior commands we are requesting Vi to do the work
and later command we are telling/commanding

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