TEE(1) User Commands TEE(1) NAME tee - read from standard input and write to standard output and files SYNOPSIS tee [OPTION]... [FILE]... DESCRIPTION Copy standard input to each FILE, and also to standard output. -a, --append append to the given FILEs, do not overwrite -i, --ignore-interrupts ignore interrupt signals -p operate in a more appropriate MODE with pipes. --output-error[=MODE] set behavior on write error. See MODE below --help display this help and exit --version output version information and exit MODE determines behavior with write errors on the outputs: warn diagnose errors writing to any output warn-nopipe diagnose errors writing to any output not a pipe exit exit on error writing to any output exit-nopipe exit on error writing to any output not a pipe The default MODE for the -p option is 'warn-nopipe'. With "nopipe" MODEs, exit immediately if all outputs become broken pipes. The default operation when --output-error is not specified, is to exit immediately on error writing to a pipe, and diagnose errors writing to non pipe outputs. AUTHOR Written by Mike Parker, Richard M. Stallman, and David MacKenzie. REPORTING BUGS GNU coreutils online help: Report any translation bugs to COPYRIGHT Copyright (C) 2024 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later . This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO Full documentation or available locally via: info '(coreutils) tee invocation' GNU coreutils 9.5 March 2024 TEE(1)