view wisdom/block device @ 9285:8320c9c4620f

<oerjan> learn Umlaut is German for "hum aloud", an important feature of the German language. It is indicated by putting two dots over the vowel of the syllable.
author HackBot
date Sat, 15 Oct 2016 00:04:47 +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.