# HG changeset patch # User HackBot # Date 1466152550 0 # Node ID 272663b31668238ac4d3397633ee56a2132c88c5 # Parent 097874fcace8184e6e0c35f8ab2263e9b1507eb6 slashlearn block device/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. diff -r 097874fcace8 -r 272663b31668 wisdom/block device --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wisdom/block device Fri Jun 17 08:35:50 2016 +0000 @@ -0,0 +1,1 @@ +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.