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35 .\" @(#)tty.1 8.1 (Berkeley) 6/6/93
36 .\" $FreeBSD: src/usr.bin/tty/tty.1,v 1.6.2.1 2002/06/21 15:29:47 charnier Exp $
37 .\" $DragonFly: src/usr.bin/tty/tty.1,v 1.2 2003/06/17 04:29:33 dillon Exp $
44 .Nd return user's terminal name
51 utility writes the name of the terminal attached to standard input
53 The name that is written is the string returned by
55 If the standard input is not a terminal, the message ``not a tty''
57 The options are as follows:
60 Don't write the terminal name; only the exit status is affected
61 when this option is specified.
64 option is deprecated in favor of the
72 exits 0 if the standard input is a terminal, 1 if the standard input is
73 not a terminal, and >1 if an error occurs.
80 utility is expected to be