---
name: "tee"
section: "1"
platform: "linux"
package: "coreutils"
version: "9.12-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux", "freebsd", "openbsd", "macos"]
url: "https://new.carta.tech/tee"
---

# tee(1)

read from standard input and write to standard output and files

## 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

Report bugs to: \<bug-coreutils@gnu.org\>.\
 Report any translation bugs to: \<https://translationproject.org/team/\>.\
 GNU coreutils home page: \<https://www.gnu.org/software/coreutils/\>\
 General help using GNU software: \<https://www.gnu.org/gethelp/\>

## COPYRIGHT

Copyright © 2026 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later \<https://gnu.org/licenses/gpl.html\>.\
 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 \<https://www.gnu.org/software/coreutils/tee\>\
 or available locally via: info '(coreutils) tee invocation'