Linux cp command

Linux cp command-Linux general technology-Linux programming and kernel information. The following is a detailed description. Cp: copy operation

The cp command, that is, the copy command, is used to copy files or subdirectories. This command has nearly 40 command line parameters. Currently, I only want to learn the most common ones.

$ Cp file1 file2

Copy file1 to file2, and file1 still exists. The content of file2 is overwritten with the content of file1.

To avoid overwriting, use the-I and-B commands as in the mv command.

$ Cp-bi file1 file2

The cp command can also copy multiple files at a time

$ Cp tempdir1/* tempdir2

In this way, all the files under tempdir1 are cp under tempdir2.

To copy a sub-directory to another sub-directory, use the-r command.

$ Cp-r tempdir1 tempdir2

In this way, copy tempdir1 and its subfiles to tempdir2.

$ Cp tempdir2/tempdir1/file tempdir3

In this way, the file is copied to tempdir3.

If you want to copy the file along with its subdirectory structure, you need to use the-p parameter.

$ Cp-p tempdir2/tempdir1/file teempdir3

In this way, the entire sub-directory structure is copied (other files in the sub-directory structure will not be copied, which is different from the-r command)

In this way, not only the file is copied, but also a unified subdirectory structure is established.