Richard 'RMS' Stallman's answer to the POSIX Central Comittee's decision to make the POSIX standard data size unit 512 bytes (=1 block).

In spite of the decision, RMS declared the standard unit in the GNU system would be 1 kilobyte. Till this day, it is so for the GNU file utils' (du, df...). POSIX compatibility could still be achieved by setting the environment variable POSIX_ME_HARDER.

Later on, POSIX_ME_HARDER was changed to POSIXLY_CORRECT.

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