<b_jonas> 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.

if [ -z "$1" ];then exec echo "I have nothing to tell you.";fi;f="tmflry/$(echo "$1" | lowercase)";if [ -h "$f" ];then exec tomfoolery `readlink "$f" | sed 's/^tmflry\///'`;fi;if [ -x "$f" ];then exec bash "$f";fi;if [ -r "$f" ];then exec cat "$f";fi;echo "I must confess, I know not of what you are speaking."