DD(1) DD(1) dd -- dd []... dd , . bs=_ _ ( 512); ibs obs cbs=_ _ conv= count=N N ibs=_ _ ( 512) if= iflag= obs=_ _ ( 512) of= oflag= seek=N ( oseek=N) N obs skip=N ( iseek=N) N ibs status= , ; <> , , <> , <> N _ -: c=1, w=2, b=512, kB=1000, K=1024, MB=1000*1000, M=1024*1024, xM=M, GB=1000*1000*1000, G=1024*1024*1024 T, P, E, Z, Y, R, Q. : KiB=K, MiB=M . N <>, , . : ascii EBCDIC ASCII ebcdic ASCII EBCDIC ibm ASCII EBCDIC block , , cbs unblock , cbs, lcase ucase sparse , swab sync ibs; block unblock excl , nocreat notrunc noerror fdatasync fsync , : append ( ; conv=notrunc) direct - directory , dsync - sync , fullblock ( iflag) nonblock - noatime nocache . . oflag=sync noctty nofollow USR1 <
> - . : --help --version (Paul Rubin), (David MacKenzie) (Stuart Kemp). - GNU coreutils: Copyright (C) 2024 Free Software Foundation, Inc. GPLv3+: GNU GPL 3 . : . , . , info '(coreutils) dd invocation' ; GNU (GNU General Public License - GPL, 3 ) , - . - , , <>. GNU coreutils 9.5 2024 . DD(1)