Man page or keyword search:   man All Sections 1 - General Commands 2 - System Calls 3 - Subroutines, Functions 4 - Special Files 5 - File Formats 6 - Games and Screensavers 7 - Macros and Conventions 8 - Maintenence Commands 9 - Kernel Interface New Commands Server 4.4BSD AIX Alpinelinux Archlinux Aros BSDOS BSDi Bifrost CentOS Cygwin Darwin Debian DigitalUNIX DragonFly ElementaryOS Fedora FreeBSD Gentoo GhostBSD HP-UX Haiku Hurd IRIX Inferno JazzOS Kali Knoppix LinuxMint MacOSX Mageia Mandriva Manjaro Minix MirBSD NeXTSTEP NetBSD OPENSTEP OSF1 OpenBSD OpenDarwin OpenIndiana OpenMandriva OpenServer OpenSuSE OpenVMS Oracle PC-BSD Peanut Pidora Plan9 QNX Raspbian RedHat Scientific Slackware SmartOS Solaris SuSE SunOS Syllable Tru64 UNIXv7 Ubuntu Ultrix UnixWare Xenix YellowDog aLinux   20652 pages apropos Keyword Search (all sections) Output format html ascii pdf view pdf save postscript

tty(1)				 User Commands				tty(1)

NAME
       tty - return user's terminal name

SYNOPSIS
       tty [-l] [-s]

DESCRIPTION
       The  tty utility writes to the standard output the name of the terminal
       that is open as standard input. The name that is used is equivalent  to
       the string that would be returned by the ttyname(3C) function.

OPTIONS
       The following options are supported:

       -l	Prints	the synchronous line number to which the user's termi‐
		nal is connected, if it is on an active synchronous line.

       -s	Inhibits printing of the terminal path name, allowing  one  to
		test just the exit status.

ENVIRONMENT VARIABLES
       See  environ(5) for descriptions of the following environment variables
       that affect the execution of  tty:  LANG,  LC_ALL,  LC_CTYPE,   LC_MES‐
       SAGES,  and NLSPATH.

EXIT STATUS
       The following exit values are returned:

       0	Standard input is a terminal.

       1	Standard input is not a terminal.

       >1	An error occurred.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Availability		     │SUNWcsu			   │
       ├─────────────────────────────┼─────────────────────────────┤
       │CSI			     │enabled			   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface Stability	     │Standard			   │
       └─────────────────────────────┴─────────────────────────────┘

SEE ALSO
       isatty(3C), ttyname(3C), attributes(5), environ(5), standards(5)

DIAGNOSTICS
       not on an active synchronous line

	   The	standard  input is not a synchronous terminal and -l is speci‐
	   fied.

       not a tty

	   The standard input is not a terminal and -s is not specified.

NOTES
       The -s option is useful only if the exit status is wanted. It does  not
       rely  on	 the  ability to form a valid path name. Portable applications
       should use test -t.


SunOS 5.10			  1 Feb 1995				tty(1)

Vote for polarhome