TEE(1) User Commands TEE(1)
tee – read from standard input and write to standard output and files
tee [OPTION]… [FILE]…
Copy standard input to each FILE, and also to standard output.
append to the given FILEs, do not overwrite
ignore interrupt signals
-p diagnose errors writing to non pipes
–output-error[=MODE] set behavior on write error. See MODE below
–help display this help and exit
output version information and exit
MODE determines behavior with write errors on the outputs:
‘warn’ diagnose errors writing to any output
diagnose errors writing to any output not a pipe
‘exit’ exit on error writing to any output
exit on error writing to any output not a pipe
The default MODE for the -p option is ‘warn-nopipe’. The default oper‐
ation when –output-error is not specified, is to exit immediately on
error writing to a pipe, and diagnose errors writing to non pipe out‐
Written by Mike Parker, Richard M. Stallman, and David MacKenzie.
GNU coreutils online help:
Report tee translation bugs to
Copyright © 2016 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.
Full documentation at:
or available locally via: info ‘(coreutils) tee invocation’
GNU coreutils 8.25 February 2016 TEE(1)