HPlogo Performing System Operation Tasks: 900 Series HP 3000 Computer Systems > Chapter 5 Performing System Functions

Communicating with the Users

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To help you manage the computer, you can use three methods to send messages to the people using it:

  • Create the WELCOME message, which users see when they start a computer session.

  • Use the TELL command to create TELL messages, which are useful when the message is important, but not urgent. TELL messages get through to most, but perhaps not all, users.

  • Use the WARN command to send warnings only when the message is urgent, since warnings can disrupt some kinds of work on the terminal. All users see warning messages.

With the TELL and WARN commands, you can select which groups of people receive your message. You can send a message to everyone, to one person, or to a group of people, such as everyone using the PAYROLL account. You cannot select your audience for a WELCOME message.

To create a new WELCOME message

When people start a computer session, they typically receive two kinds of information:

  • A message from the computer system acknowledging the HELLO logon. This includes the date, the time, and the version number of the computer's operating system.

  • A WELCOME message from you, the system operator.

The WELCOME message is a convenient way to transmit information of general interest. For example, you can tell everyone when you plan to perform a system backup, a procedure for duplicating all of the important information contained in your computer. You can include your phone number in the message so that, in case of trouble, users can call you.

To create a new WELCOME message, enter:

   WELCOME 

Wait for the "#" to appear on the screen, then begin creating your message. Enter your message on multiple lines as needed. For example:

   Welcome to the HP 3000.  The system



   will be shut down Mondays through Thursdays



   at 8 PM to do a partial backup, and at



   5 PM on Fridays for a full backup.



   Please log off before those times.

To end the message, press Return at the "#" prompt. The system prompt returns to the screen. To check the message, use the SHOWME command. For example:

   SHOWME

In addition to the description of your session, you should see the WELCOME message you just created.

To correct a mistake in the WELCOME message

If you make a mistake in the message while typing, do the following:

  1. Press Return.

  2. When another "#" prompt appears, press Return again.

  3. Enter WELCOME.

  4. When the "#" prompt appears, retype your message.

  5. To exit, press Return at the "#" prompt.

To erase the existing WELCOME message

To erase the existing WELCOME message, enter:

   WELCOME

When the "#" prompt appears, press Return

To create and use a WELCOME message file

You can also use the text editor, EDIT/3000, to create the WELCOME message. In this case, enter the text into a file, save it, and then enter the name of the message file with the WELCOME command.

The following section allows you to practice creating a WELCOME message file, called "WELCMSG." Before you begin, find out if you already have a file named WELCMSG. Enter:

   LISTFILE WELCMSG Return

If the computer lists a file named WELCMSG and you want a different message, then pick another file name. Substitute it for WELCMSG in the following examples. Otherwise, enter the commands exactly as shown below.

  1. Enter EDITOR and press Return to start the editor.

  2. At the EDIT/3000 ("/") prompt, enter ADD and press Return to begin add mode.

    The first line number and a blinking cursor appear on your screen.

  3. Enter the following lines of text, pressing Return at the end of each one. (Each time you press Return, a new line and line number appear.)

       Welcome to the HP 3000.  The system
    
       will be shut down Mondays through Thursdays
    
       at 8 PM to do a partial backup, and at
    
       5 PM on Fridays for a full backup.
    
       Please log off before those times.
    
  4. Enter // and press Return to end add mode.

  5. Enter // and press Return a second time to indicate that you have completed your message.

  6. At the "/" prompt, enter the KEEP command followed by the name of the welcome message file. In the example below, the file name is WELCMSG:

       KEEP WELCMSG Return
    
  7. Enter the EXIT command and press Return to end EDIT/3000.

  8. To have MPE/iX use the new welcome message, enter the WELCOME command and your file name. For example:

       WELCOME WELCMSG Return
    
  9. To check the new WELCOME message, enter:

       SHOWME Return
    
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