Linux中dd命令使用实例教程

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一、Linux dd命令用指定大小的块拷贝一个文件，并在拷贝的同时进行指定的转换。

使用方法：dd [OPERAND]

参数注释：

 bs=BYTES  read and write BYTES bytes at a time (also see ibs=,obs=) cbs=BYTES  convert BYTES bytes at a time conv=CONVS  convert the file as per the comma separated symbol list count=N   copy only N input blocks ibs=BYTES  read BYTES bytes at a time (default: 512) if=FILE   read from FILE instead of stdin(默认为标准输入) iflag=FLAGS  read as per the comma separated symbol list obs=BYTES  write BYTES bytes at a time (default: 512) of=FILE   write to FILE instead of stdout(默认为标准输出) oflag=FLAGS  write as per the comma separated symbol list seek=BLOCKS  skip BLOCKS obs-sized blocks at start of output skip=BLOCKS  skip BLOCKS ibs-sized blocks at start of input status=WHICH WHICH info to suppress outputting to stderr;     'noxfer' suppresses transfer stats, 'none' suppresses all