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TEE(1) General Commands Manual TEE(1)

pipe fitting

tee [
] [
file ...

The tee utility copies standard input to standard output, making a copy in zero or more files. The output is unbuffered.
The options are as follows:
Append the output to the files rather than overwriting them.
Ignore the SIGINT signal.
The following operands are available:
A pathname of an output file.
The tee utility takes the default action for all signals, except in the event of the -i option.

The tee utility exits 0 on success, and >0 if an error occurs.

The tee utility is compliant with the IEEE Std 1003.1-2008 (“POSIX.1”) specification.
September 3, 2010 OpenBSD-current