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It seems to me, most CLI tools will show "use --help" when its --help information contains multiple pages of info. rm might be an anomaly (its man page is small in comparison). I try to use my own "will it scroll" test when deciding whether or not to give usage when a user provides incorrect or no parameters.


1

I've never seen any research and would love to see some. A system which simply states that there was an error and reminds the user where to find help seems to be geared more towards the expert user. A system that displays all the options ranging from log to rename to commit seems to be geared more to the new user (someone migrating to this particular ...



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