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Annotation of researchv10dc/dist/man/v3/man1/write.1, revision 1.1

1.1     ! root        1: .pa 1
        !             2: .he 'WRITE (I)'3/15/72'WRITE (I)'
        !             3: .ti 0
        !             4: NAME           write  --  write to another user
        !             5: .sp
        !             6: .ti 0
        !             7: SYNOPSIS       write_____ user
        !             8: .sp
        !             9: .ti 0
        !            10: DESCRIPTION    write_____ copies lines from your typewriter to that of
        !            11: another user.  When first called, write_____ sends the message
        !            12: .sp
        !            13:      message from yourname...
        !            14: .sp
        !            15: The recipient of the message should write back at this point.
        !            16: Communication continues until an end of file is
        !            17: read from the typewriter or an interrupt is sent.
        !            18: At that point write_____ writes "EOT" on the other terminal.
        !            19: .sp
        !            20: Permission to write may be denied or granted by use of the mesg____
        !            21: command.
        !            22: At the outset writing is allowed.
        !            23: Certain commands, in particular roff____ and pr__, disallow
        !            24: messages in order to prevent messy output.
        !            25: 
        !            26: If the character "!" is found at the beginning of a line,
        !            27: write_____ calls the mini-shell msh___ to execute the rest of the
        !            28: line as a command.
        !            29: 
        !            30: The following protocol is suggested for using write_____:
        !            31: When you first write to another user, wait for him to
        !            32: write back before starting to send.
        !            33: Each party should end each message with a distinctive
        !            34: signal ("(o)" for "over" is conventional) that the other may reply.
        !            35: "(oo)" (for "over and out") is suggested when conversation
        !            36: is about to be terminated.
        !            37: 
        !            38: .ti 0
        !            39: FILES          /tmp/utmp       to find user
        !            40: .br
        !            41: /etc/msh       to execute !
        !            42: .sp
        !            43: .ti 0
        !            44: SEE ALSO       mesg(I), msh(VII)
        !            45: .sp
        !            46: .ti 0
        !            47: DIAGNOSTICS    "user not logged in"; "permission denied".
        !            48: .sp
        !            49: .ti 0
        !            50: BUGS           write_____
        !            51: should check the mode of the other user's typewriter
        !            52: and refuse to proceed unless non-user
        !            53: write permission is given.
        !            54: Currently it is possible to write to another
        !            55: person with the same user-ID even though
        !            56: he has forbidden messages.
        !            57: 
        !            58: write_____ should also allow specification of
        !            59: the typewriter name of a user who
        !            60: is logged in several times instead
        !            61: of picking out the instance with the
        !            62: lowest name.

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