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This article mainly explains "how to use the cp command under linux". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn how to use the cp command under linux.

In linux, cp is the abbreviation of "copy file". The cp command is used to copy the specified file or directory. If the target file already exists or contains a file with the same name, the original file in the target file or directory will be overwritten after copying. The syntax is "cp source file destination directory" or "cp source file 1 source file 2 destination directory".

The operating environment of this tutorial: linux7.3 system, Dell G3 computer.

What is the usage of the cp command under linux

The Linux cp (English full spelling: copy file) command is mainly used to copy files or directories.

Copy a source file to the destination file (folder).

The command format is: cp source file destination file (folder)

This is the most frequently used command, responsible for copying a source file to the target file (folder). As shown in the following figure, if you copy it to a folder, the file name will remain the same, and if you copy it into the file, the file name will change. If the target file already exists or contains a file with the same name in the destination folder, the target file or the file with the same name in the destination folder will be overwritten after the copy.

Copy multiple files to target file (folder) at the same time.

The command format is: cp source file 1 source file 2 destination folder or cp file * destination folder

This command is also used frequently. The first command format can copy multiple files listed to the target folder at one time, each file is directly separated by spaces; the second command format uses the wildcard *, as shown in the following figure, all files ending in ".txt" can be copied to the folder testDir.

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