Linux tee command details how to use Linux tee command

The tee command reads data from the standard input device, outputs its content to the standard output device, and saves it as a file.

Syntax

Tee [-ai] [-- help] [-- version] [file...]

Parameters:

• -A or -- append is appended to the end of an existing file, rather than overwriting it.

• -I or -- ignore-interrupts ignores the interrupt signal.

• -- Help online help.

• -- Version: displays the version information.

Instance

Run the "tee" command to save user input data to the files "file1" and "file2". Run the following command:

$ Tee file1 file2 # Copy content in two files

After the preceding command is executed, you are prompted to enter the data to be saved to the file, as shown below:

My Linux # prompt user input data My Linux # output data for output feedback

In this case, you can open the files "file1" and "file2" and check whether the content is "My Linux" to determine whether the command "tee" is successfully executed.