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→Piping (Using Pipes)
[[Image:tee-diagram-1.png|thumb|right|450px250px|The '''tee''' utility can be used to split the flow of information. For example to save in a file as well as display on a screen. <br>(Image licensed under [https://creativecommons.org/licenses/by-sa/3.0/ cc])]]
The '''tee''' utility can be used to split the flow of information. The tee option '''-a''' can be used to add content to the bottom of an existing file as opposed to overwriting the file's previous contents.