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The SEND command provides one-way interterminal communication. A
single line of information is transmitted from the initiating
terminal to the terminal specified in the SEND command string.
The recipient of the SEND receives the terminal line number of
the sender as well as the message.
A busy test is made on a single-destination message before the
message is sent, unless the sender or receiver of the message is
OPR or a job logged in as [1,2]. The receiver of the message is
considered busy if the terminal is not at monitor command level.
If the receiving terminal is busy, the sender receives the
message BUSY and the information is not sent. However, the
receiving terminal always receives the message if it has the TTY
NO GAG bit set (see the SET TTY NO GAG command).
If the receiving terminal is hardwired and turned off, the
information appears to have been sent because the software cannot
detect an OFF condition on hardwired terminals. Terminals in
IMAGE and Packed Image Mode (PIM) mode do not receive messages.
SEND TTYn: text
SEND JOB n text
Where: TTYn: is any physical terminal name, including CTY:
(console terminal) and OPR:. If you specify OPR:, the
system sends the message to the operator's terminal at
the node to which your terminal is connected.
n is the job-number to which the message is to be sent.
text is the message to be transmitted.
The message is printed on the receiving terminal in the following
;;TTYn: - text
Where: n is the sender's terminal number.
text is the message.
A bell sounds on the receiving terminal when the
message is printed.
You can specify an operator on a particular node by entering the
terminal identifier in the form:
Where: xx is the number of the operator's node.
See Example 4 below.
Leaves your terminal at monitor level.
Does not require LOGIN.
The SEND command is not available to batch jobs.
1. Send a message to TTY62:
.SEND TTY62: YOU HAVE THE SYSTEM STAND-ALONE<RET>
2. Ask your operator to write-enable a DECtape drive:
.SEND OPR: PLEASE WRITE-ENABLE DTA3:<RET>
3. Send a message to job 69:
.SEND JOB 69 THE TAPE IS WRITE ENABLED<RET>
4. Send a message to the operator on node 17:
.SEND OPR17: LPT171 UPPER CASE ONLY?<RET>