tty(1)
tty --
get the name of the terminal
Synopsis
tty [-l] [-s]
Description
tty
prints the pathname of the user's terminal.
It accepts the following options:
- -l
-
Print the synchronous line number to which the user's terminal is
connected,
if it is on an active synchronous line.
- -s
-
Inhibit printing of the terminal path name,
allowing one to test just the exit code.
Files
- /usr/lib/locale/locale/LC_MESSAGES/uxue.abi
-
language-specific message file (see LANG on
environ(5)).
Exit codes
- 0
-
standard input is a terminal
- 1
-
standard input is not a terminal
- 2
-
invalid option
Diagnostics
not on an active synchronous line
-
The standard input is not a
synchronous terminal and
-l
is specified.
not a tty
-
The standard input is not a terminal
and
-s
is not specified.
References
ttyname(3C)
Notices
Application authors should avoid use of the -s option, since it may
not be supported in future releases. Use test -t 0 in its place.
30 January 1998
© 1998 The Santa Cruz Operation, Inc. All rights reserved.