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Detailed explanation of dd command

dd is a command-line tool used on Unix and Unix-like systems for data conversion and copying. Its name "dd" stands for "data definition", which can read input data and output it in different ways to achieve data conversion, copying and processing.

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time：2023-08-17 13:21:57

What is the dd command? dd is a command line tool used on Unix and Unix-like systems for data conversion and copying. Its name "dd" stands for "data definition". It can read input data and output it in different ways. This enables data conversion, copying and processing.

dd command

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Detailed explanation of the dd command in Linux Detailed explanation of the dd command in Linux: 1. dd copies a file using blocks of a specified size and performs specified conversions while copying; 2. [if=filename] input file name, the default is standard input; 3. [of =File name] Output file name, the default is standard output.

Detailed explanation of dd command

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Detailed explanation of useradd command The useradd command is used to establish a user account and create the user's home directory. The usage permission is the root user. The format is "useradd [-d home] [-s shell] name". For example, "useradd abc" can create a user named abc.

linux Detailed explanation

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