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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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