I am always impressed by the UNIX tools because of their simplicity and yet how easily you can build powerful systems due to their composability. But what I fin

I am always impressed by the UNIX tools because of their simplicity and yet how easily you can build powerful systems due to their composability. But what I find even more amazing is that they "got it right" so many years ago. We have progressed so much in our understanding of computing and human-computer-interaction, but not many tools that have come out recently can claim similar success.