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Annotation of 43BSDTahoe/man/man5/ttys.5, revision 1.1

1.1     ! root        1: .\"    @(#)ttys.5      6.4 (Berkeley) 5/20/86
        !             2: .\"
        !             3: .TH TTYS 5  "May 20, 1986"
        !             4: .AT 3
        !             5: .SH NAME
        !             6: ttys \- terminal initialization data
        !             7: .SH DESCRIPTION
        !             8: The
        !             9: .I ttys
        !            10: file contains information that is used by various routines to initialize
        !            11: and control the use of terminal special files. This information is read
        !            12: with the
        !            13: .IR getttyent (3)
        !            14: library routines.
        !            15: There is one line in the 
        !            16: .I ttys
        !            17: file per special file.
        !            18: Fields are separated by tabs and/or spaces.
        !            19: Some fields may contain more than one word and should be enclosed
        !            20: in double quotes.
        !            21: Blank lines and comments can appear anywhere in the file; comments
        !            22: are delimited by `#' and new line. Unspecified fields default to null.
        !            23: The first field is the terminal's entry in the device directory, /dev.
        !            24: The second field of the file is the command to execute for the line,
        !            25: typically
        !            26: .IR getty (8),
        !            27: which performs such tasks as baud-rate recognition, reading the login name,
        !            28: and calling
        !            29: .IR login (1).
        !            30: It can be, however, any desired command, for example
        !            31: the start up for a window system terminal emulator or some other
        !            32: daemon process, and can contain multiple words if quoted.
        !            33: The third field is the type of terminal normally connected to that
        !            34: tty line, as found in the
        !            35: .IR termcap (5)
        !            36: data base file.
        !            37: The remaining fields set flags in the
        !            38: .I ty_status
        !            39: entry (see
        !            40: .IR getttyent (3))
        !            41: or specify a window system process that
        !            42: .IR init (8)
        !            43: will maintain for the terminal line.
        !            44: As flag values,
        !            45: the strings `on' and `off' specify whether
        !            46: .I init
        !            47: should execute the command
        !            48: given in the second field,
        !            49: while `secure' in addition to `on' allows root to login on
        !            50: this line.  These flag fields should not be quoted.
        !            51: The string `window=' is followed by a quoted command
        !            52: string which
        !            53: .I init
        !            54: will execute before starting
        !            55: .IR getty .
        !            56: If the line ends in a comment, the comment is included in the
        !            57: .I ty_comment
        !            58: field of the ttyent structure.
        !            59: .PP
        !            60: Some examples:
        !            61: .PP
        !            62: .nf
        !            63: .ta \w'console\ 'u +\w'"/etc/getty std.9600"\ \ \ 'u +\w'hp2621-nl\ \ \ \ 'u +.7i
        !            64: console        "/etc/getty std.1200"   vt100   on secure
        !            65: ttyd0  "/etc/getty d1200"      dialup  on      # 555-1234
        !            66: ttyh0  "/etc/getty std.9600"   hp2621-nl       on      # 254MC
        !            67: ttyh1  "/etc/getty std.9600"   plugboard       on      # John's office
        !            68: ttyp0  none    network
        !            69: ttyp1  none    network off
        !            70: ttyv0  "/usr/new/xterm -L :0"  vs100   on window="/usr/new/Xvs100 0"
        !            71: .fi
        !            72: .PP
        !            73: The first example permits root login on the console at 1200 baud,
        !            74: the second allows dialup at 1200 baud without root login,
        !            75: the third and fourth allow login at 9600 baud with terminal types of
        !            76: "hp2621-nl" and "plugboard" respectively,
        !            77: the fifth and sixth line are examples of network pseudo ttys, which
        !            78: should not have
        !            79: .I getty
        !            80: enabled on them,
        !            81: and the last example shows a terminal emulator and window system
        !            82: startup entry.
        !            83: .SH FILES
        !            84: /etc/ttys
        !            85: .SH "SEE ALSO"
        !            86: login(1), getttyent(3), gettytab(5), init(8), getty(8)

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