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Diffstat (limited to 'man/dd.1')
| -rw-r--r-- | man/dd.1 | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/man/dd.1 b/man/dd.1 new file mode 100644 index 0000000..bd5a74a --- /dev/null +++ b/man/dd.1 @@ -0,0 +1,162 @@ +.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.35. +.TH DD "1" "March 2007" "GNU coreutils 6.9" "User Commands" +.SH NAME +dd \- convert and copy a file +.SH SYNOPSIS +.B dd +[\fIOPERAND\fR]... +.br +.B dd +\fIOPTION\fR +.SH DESCRIPTION +.\" Add any additional description here +.PP +Copy a file, converting and formatting according to the operands. +.TP +bs=BYTES +force ibs=BYTES and obs=BYTES +.TP +cbs=BYTES +convert BYTES bytes at a time +.TP +conv=CONVS +convert the file as per the comma separated symbol list +.TP +count=BLOCKS +copy only BLOCKS input blocks +.TP +ibs=BYTES +read BYTES bytes at a time +.TP +if=FILE +read from FILE instead of stdin +.TP +iflag=FLAGS +read as per the comma separated symbol list +.TP +obs=BYTES +write BYTES bytes at a time +.TP +of=FILE +write to FILE instead of stdout +.TP +oflag=FLAGS +write as per the comma separated symbol list +.TP +seek=BLOCKS +skip BLOCKS obs\-sized blocks at start of output +.TP +skip=BLOCKS +skip BLOCKS ibs\-sized blocks at start of input +.TP +status=noxfer +suppress transfer statistics +.PP +BLOCKS and BYTES may be followed by the following multiplicative suffixes: +xM M, c 1, w 2, b 512, kB 1000, K 1024, MB 1000*1000, M 1024*1024, +GB 1000*1000*1000, G 1024*1024*1024, and so on for T, P, E, Z, Y. +.PP +Each CONV symbol may be: +.TP +ascii +from EBCDIC to ASCII +.TP +ebcdic +from ASCII to EBCDIC +.TP +ibm +from ASCII to alternate EBCDIC +.TP +block +pad newline\-terminated records with spaces to cbs\-size +.TP +unblock +replace trailing spaces in cbs\-size records with newline +.TP +lcase +change upper case to lower case +.TP +nocreat +do not create the output file +.TP +excl +fail if the output file already exists +.TP +notrunc +do not truncate the output file +.TP +ucase +change lower case to upper case +.TP +swab +swap every pair of input bytes +.TP +noerror +continue after read errors +.TP +sync +pad every input block with NULs to ibs\-size; when used +with block or unblock, pad with spaces rather than NULs +.TP +fdatasync +physically write output file data before finishing +.TP +fsync +likewise, but also write metadata +.PP +Each FLAG symbol may be: +.TP +append +append mode (makes sense only for output; conv=notrunc suggested) +.TP +direct +use direct I/O for data +.IP +directory fail unless a directory +dsync use synchronized I/O for data +sync likewise, but also for metadata +nonblock use non\-blocking I/O +noatime do not update access time +noctty do not assign controlling terminal from file +nofollow do not follow symlinks +.PP +Sending a USR1 signal to a running `dd' process makes it +print I/O statistics to standard error and then resume copying. +.IP +\f(CW$ dd if=/dev/zero of=/dev/null& pid=$!\fR +.br +\f(CW$ kill -USR1 $pid; sleep 1; kill $pid\fR +.IP +18335302+0 records in +18335302+0 records out +9387674624 bytes (9.4 GB) copied, 34.6279 seconds, 271 MB/s +.PP +Options are: +.TP +\fB\-\-help\fR +display this help and exit +.TP +\fB\-\-version\fR +output version information and exit +.SH AUTHOR +Written by Paul Rubin, David MacKenzie, and Stuart Kemp. +.SH "REPORTING BUGS" +Report bugs to <bug\-coreutils@gnu.org>. +.SH COPYRIGHT +Copyright \(co 2007 Free Software Foundation, Inc. +.br +This is free software. You may redistribute copies of it under the terms of +the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. +There is NO WARRANTY, to the extent permitted by law. +.SH "SEE ALSO" +The full documentation for +.B dd +is maintained as a Texinfo manual. If the +.B info +and +.B dd +programs are properly installed at your site, the command +.IP +.B info dd +.PP +should give you access to the complete manual. |