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Annotation of researchv10dc/dist/man/v3/man1/write.1, revision 1.1.1.1

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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