Linux Magazine: Performing Data Surgery
Jan 14, 2005, 07:00 (0 Talkback[s])
(Other stories by Jerry Peek)
"A year ago, the November 2003 'Power Tools' column... looked
into some lesser-known tools for editing text: the line editors ex
and ed, and the stream editor sed.
"This month, let's dig deeper and see some uses for the
almost-unknown utility dd -- which has many more uses than just
reading data from magnetic tapes (one of its most common uses in
years past). On the way, we'll touch upon the better-known editing
utilities head and tail, the 'octal dump' utility od, the
/dev/random device, and more..."