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1.1 root 1: .TH TTY 1 "10 February 1983"
2: .SH NAME
3: tty \- get terminal name
4: .SH SYNOPSIS
5: .B tty
6: [ -s ]
7: .SH DESCRIPTION
8: .I Tty
9: prints the pathname of the user's terminal unless the \-s
10: (silent) is given. In either case, the exit value is zero if the
11: standard input is a terminal and one if it is not.
12: .SH DIAGNOSTICS
13: `not a tty' if the standard input file is not a terminal.
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