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<oerjan> le/rn rules of wisdom//Unless essential for the entry\'s humor, all wisdom entries should: be understandable without the separate key, be single spaced, and use proper capitalization and punctuation.
author HackBot
date Mon, 12 Dec 2016 00:59:02 +0000
parents 272663b31668
children
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Block devices are a concession made in Unix to make raw hard disks and magnetic tape have a similar interface to regular files and terminals. Since magnetic tapes can't write individual bytes, only entire blocks, the interface isn't exactly the same, thus the dreaded dd obs= option was born.