Linux Command Encyclopedia disk maintenance: DD

Function Description: Read, transform and output data.

Grammar: dd&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;" [bs=< bytes [cbs=< bytes [conv=< keyword [count=< Block number [ibs=< bytes [if=< Document] [obs=< bytes [of=< Document] [seek=< Block number [skip=< Block number [--help] [--version]

Supplemental NOTE: DD can read data from standard input or file, convert data in specified format, and then output to file, device or standard output.

Parameters：
bs=< bytes > Sets the IBS (input) and the OBS (output) to the specified number of bytes.
cbs=< bytes > conversions, only the specified number of bytes is converted at a time.
conv=< keywords > Specify how files are converted.
count=< block Count > read only the specified number of blocks.
The number of bytes ibs=< > bytes per read.
if=< file > read from file.
Number of bytes obs=< > bytes per output.
of=< file > output to file.
seek=< block count > First output, skip the specified number of blocks.
Number of skip=< blocks > skips the specified number of blocks at the start of the read.
--help Help.
--version Displays version information.