-a

append to the given FILEs, do not overwrite

-i

ignore interrupt signals

-p

diagnose errors writing to non pipes

--output-error[

set behavior on write error. See MODE below

--help

display this help and exit

--version

output version information and exitMODE 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 pipeThe default MODE for the -p option is 'warn-nopipe'. The default operation when --output-error is not speci‐fied, is to exit immediately on error writing to a pipe, and diagnose errors writing to non pipe outputs.AUTHORWritten by Mike Parker, Richard M. Stallman, and David MacKenzie.REPORTING BUGSGNU coreutils online help: <http://www.gnu.org/software/coreutils/>Report tee translation bugs to <http://translationproject.org/team/>COPYRIGHTCopyright © 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later<http://gnu.org/licenses/gpl.html>.This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent per‐mitted by law.