The original authors of the Unix tools agreed back at least as far as 1983 that the traditional suite was growing new features inconsistent with the Unix Philos

The original authors of the Unix tools agreed back at least as far as 1983 that the traditional suite was growing new features inconsistent with the Unix Philosophy. Rob Pike's "cat -v Considered Harmful" presentation and associated paper are classics: http://harmful.cat-v.org/cat-v/ http://harmful.cat-v.org/cat-v/