Copy standard input to each FILE, and also to standard output. Usage: tee [OPTION]... [FILE]... Arguments: [file]... Options: -h, --help Print help -a, --append append to the given FILEs, do not overwrite -i, --ignore-interrupts ignore interrupt signals (ignored on non-Unix platforms) -p set write error behavior (ignored on non-Unix platforms) --output-error[=] set write error behavior Possible values: - warn: produce warnings for errors writing to any output - warn-nopipe: produce warnings for errors that are not pipe errors (ignored on non-unix platforms) - exit: exit on write errors to any output - exit-nopipe: exit on write errors to any output that are not pipe errors (equivalent to exit on non-unix platforms) -V, --version Print version If a FILE is -, it refers to a file named - .