OS Manuals

tty(1)

tty - print the file name of the terminal connected to standard input

TTY(1) User Commands TTY(1)

tty - print the file name of the terminal connected to standard input

tty [OPTION]...

Print the file name of the terminal connected to standard input.

print nothing, only return an exit status
display this help and exit
output version information and exit

Written by David MacKenzie.

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 © 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.

Full documentation <https://www.gnu.org/software/coreutils/tty>
or available locally via: info '(coreutils) tty invocation'

September 2026 GNU coreutils 9.12

coreutils 9.12-r3 · os · ingested 2026-09-30