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1.1 ! root 1: .TH WRITE 1 "18 January 1983" ! 2: .SH NAME ! 3: write \- write to another user ! 4: .SH SYNOPSIS ! 5: .B write ! 6: user [ ttyname ] ! 7: .SH DESCRIPTION ! 8: .I Write ! 9: copies lines from your terminal to that of ! 10: another user. ! 11: When first called, ! 12: it sends the message ! 13: .PP ! 14: Message from yoursystem!yourname yourttyname... ! 15: .PP ! 16: The recipient of the message should write back at this point. ! 17: Communication continues until an end of file is ! 18: read from the terminal or an interrupt is sent. ! 19: At that point ! 20: .I write ! 21: writes `EOT' on the other terminal and exits. ! 22: .PP ! 23: If you want to write to a user who is logged in more than once, ! 24: the ! 25: .I ttyname ! 26: argument may be used to indicate the ! 27: appropriate terminal name. ! 28: .PP ! 29: Permission to write may be denied or granted by use of the ! 30: .I mesg ! 31: command. ! 32: At the outset writing is allowed. ! 33: Certain commands, in particular ! 34: .I nroff ! 35: and ! 36: .IR pr (1) ! 37: disallow ! 38: messages in order to prevent messy output. ! 39: .PP ! 40: If the character `!' is found at the beginning of a line, ! 41: .I write ! 42: calls the shell ! 43: to execute the rest of the ! 44: line as a command. ! 45: .PP ! 46: The following protocol is suggested for using ! 47: .IR write : ! 48: when you first write to another user, wait for him to ! 49: write back before starting to send. ! 50: Each party should end each message with a distinctive ! 51: signal\(em\fB(o)\fR ! 52: for `over' is conventional\(emthat the other may reply. ! 53: .B (oo) ! 54: for `over and out' is suggested when conversation ! 55: is about to be terminated. ! 56: .SH FILES ! 57: /etc/utmp to find user ! 58: .br ! 59: /bin/sh to execute `!' ! 60: .SH "SEE ALSO" ! 61: mesg(1), who(1), mail(1)
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