tee
Copies standard input to standard output and one or more files
tee [options] file-list
The tee utility copies standard input to standard output and to one or more files you specify on the command line.
Arguments
The file-list contains the pathnames of files that receive output from tee.
Options
Without any options, tee overwrites the output files if they exist and responds to interrupts. If a file in file-list does not exist, tee creates it.
--append
-a Appends output to existing files rather than overwrites them.
--ignore-interrupts
-i Causes tee not to respond to interrupts.
Example
In the following example, a pipe sends the output from make to tee, which copies it to standard output and the file accounts.out. The copy that goes to ...
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