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view wisdom/block device @ 9236:d5dbebbe2fc1
<b_jonas> addquote <ais523> hmm, I just remembered that I was formally trained to tune harps
author | HackBot |
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date | Tue, 11 Oct 2016 12:59:54 +0000 |
parents | 272663b31668 |
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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.