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Those are very valid and true criticisms for current command lines and the way they interface to the larger computing environment on which they live (and you didn't even go into all of the problems you could have). But I want to point out the attack has a limited scope in an important way, command lines that have been built in the past, with roots that go quite far back for most of them.

Just as it isn't a full and knock-down criticism of GUI's to point out that people have done them badly, this attack doesn't go to the core idea of command lines, "type what you want to have happen." The available metaphors can and should be made more in line with how people think of what computers can do.

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