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Annotation of researchv10dc/dist/man/v3/manx/login.7, revision 1.1

1.1     ! root        1: .pa 1
        !             2: .he '6/15/72''LOGIN, LOGOUT (VII)'
        !             3: .ti 0
        !             4: NAME           logging in and logging out
        !             5: .sp
        !             6: .ti 0
        !             7: SYNOPSIS       --
        !             8: .sp
        !             9: .ti 0
        !            10: DESCRIPTION    UNIX
        !            11: must be called from an appropriate terminal.
        !            12: UNIX supports ASCII terminals typified by the Teletype M37,
        !            13: the GE Terminet 300, the Memorex 1240, and various
        !            14: graphical terminals on the one hand, and IBM 2741-type
        !            15: terminals on the other.
        !            16: 
        !            17: Not all installations support
        !            18: all these terminals.
        !            19: Often the M33/35 Teletype is supported instead
        !            20: of the 2741.
        !            21: Depending on the hardware installed, most
        !            22: terminals operating at 110, 134.5, 150, or 300 baud can
        !            23: be accommodated.
        !            24: 
        !            25: To use UNIX,
        !            26: it is also necessary to have
        !            27: a valid UNIX user ID and (if desired) password.  These
        !            28: may be obtained, together with the telephone number, from the system administrators.
        !            29: 
        !            30: The same telephone number
        !            31: serves terminals operating at all the standard speeds.
        !            32: The discussion below applies when the standard
        !            33: speeds of 134.5 (2741's)
        !            34: 150 (TTY 37's) and 300 (Terminet 300's)
        !            35: are available.
        !            36: 
        !            37: When a connection is established via a 150-baud terminal
        !            38: (e.g. TTY 37) UNIX types out "login:"; you respond with
        !            39: your user name, and, if requested, with a password.
        !            40: (The printer is turned off while you type the
        !            41: password.)
        !            42: If the login was successful, the "@" character
        !            43: is typed by the Shell to indicate
        !            44: login is complete and commands may be issued.
        !            45: A message of the day may be typed if there are any announcements.
        !            46: Also, if there is a file called "mailbox", you are notified
        !            47: that someone has sent you mail.
        !            48: (See the mail____ command.)
        !            49: 
        !            50: From a 300-baud terminal, the procedure is slightly different.
        !            51: Such terminals often have a full-duplex switch, which should
        !            52: be turned on (or conversely, half-duplex should be turned off).
        !            53: When a connection with UNIX is established, a few garbage
        !            54: characters are typed (these are the "login:" message at the wrong speed).
        !            55: You should depress the "break" key;
        !            56: this is a speed-independent signal to UNIX that a 300-baud
        !            57: terminal is in use.  It will type "login:" (at the correct speed
        !            58: this time) and from then on the procedure is the same as described
        !            59: above.
        !            60: 
        !            61: From a 2741, no message will appear.
        !            62: After the telephone connection is established,
        !            63: press the "ATTN" button.
        !            64: UNIX should type "login:" as described above.
        !            65: If the greeting does not appear after a few seconds,
        !            66: hang up and try again; something has gone wrong.
        !            67: If a password is required,
        !            68: the printer cannot be turned off, so it will appear on the paper
        !            69: when you type it.
        !            70: 
        !            71: For more information, consult
        !            72: getty(VII), which discusses the login sequence in more
        !            73: detail, and tty0(IV), which discusses typewriter I/O.
        !            74: 
        !            75: Logging out is simple by comparison (in fact, sometimes too simple).
        !            76: Simply generate an end-of-file at Shell level by using
        !            77: the EOT character; the "login:" message will appear again to
        !            78: indicate that you may log in again.
        !            79: 
        !            80: It is also possible to log out simply by hanging up the terminal;
        !            81: this simulates an end-of-file on the typewriter.
        !            82: .sp
        !            83: .ti 0
        !            84: FILES          /etc/motd
        !            85: may contain a message-of-the-day.
        !            86: .sp
        !            87: .ti 0
        !            88: SEE ALSO       init(VII), getty(VII), tty0(IV)
        !            89: .sp
        !            90: .ti 0
        !            91: DIAGNOSTICS    --
        !            92: .sp
        !            93: .ti 0
        !            94: BUGS           Hanging up
        !            95: on programs which never read
        !            96: the typewriter or which ignore end-of-files
        !            97: is very dangerous; in the worst cases,
        !            98: the programs can only be halted by restarting the system.
        !            99: .sp
        !           100: .ti 0
        !           101: OWNER          ken, dmr

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