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Command: tee | Section: 1 | Source: FreeBSD | File: tee.1.gz
TEE(1) FreeBSD General Commands Manual TEE(1)
NAME
tee - duplicate standard input
SYNOPSIS
tee [-ai] [file ...]
DESCRIPTION
The tee utility copies standard input to standard output, making a copy
in zero or more files. The output is unbuffered.
The following options are available:
-a Append the output to the files rather than overwriting them.
-i Ignore the SIGINT signal.
The following operands are available:
file A pathname of an output file.
The tee utility takes the default action for all signals, except in the
event of the -i option.
This implementation of the tee utility may also write to unix(4) sockets.
EXIT STATUS
The tee utility exits 0 on success, and >0 if an error occurs.
EXAMPLES
Send the echoed message both to stdout and to the greetings.txt file:
$ echo "Hello" | tee greetings.txt
Hello
STANDARDS
The tee utility is expected to be IEEE Std 1003.2 ("POSIX.2") compatible.
HISTORY
The tee command first appeared in Version 7 AT&T UNIX.
FreeBSD 14.1-RELEASE-p8 December 25, 2024 FreeBSD 14.1-RELEASE-p8