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Lesson 5: User Modifiable System Variables [ MPE V to MPE XL: Getting Started ] MPE/iX 5.0 Documentation


MPE V to MPE XL: Getting Started

Lesson 5:  User Modifiable System Variables 

These are the system variables you can modify.  The modifications you
make will be unique to your session.  All modifications will disappear at
the end of the session and be replaced by default values in your next
session.

-----------------------------------------------------------------------------------------------
|                         |                                    |                              |
|        Variable         |             Definition             |           Default            |
|                         |                                    |                              |
-----------------------------------------------------------------------------------------------
|                         |                                    |                              |
| CIERROR                 | Last CI error #                    | 0 (zero)                     |
|                         |                                    |                              |
| HPAUTOCONT              | En-/disable CONTINUE               | FALSE                        |
|                         |                                    |                              |
| HPCMDTRACE              | En-/disable command tracing        | FALSE                        |
|                         |                                    |                              |
| HPCMEVENTLOG            | Shows # of CM events               | 0 (zero)                     |
|                         |                                    |                              |
| HPERRDUMP               | # of levels to dump                | 0 (zero)                     |
|                         |                                    |                              |
| HPMSGFENCE              | CI message level fence             | 0 (zero)                     |
|                         |                                    |                              |
| HPPATH                  | System search path                 | !hpgroup,pub, pub.sys        |
|                         |                                    |                              |
| HPPROMPT                | CI prompt string                   | :  (colon)                   |
|                         |                                    |                              |
| HPREDOSIZE              | CI redo stack max #                | 20                           |
|                         |                                    |                              |
| HPRESULT                | Last value from CALC               | None                         |
|                         |                                    |                              |
| HPSYSNAME               | Computer system name               | None                         |
|                         |                                    |                              |
| HPTIMEOUT               | # of min.  for CI reads | 0 (zero) |                              |
|                         |                                    |                              |
| HPTYPEAHEAD             | Boolean indicating typeahead is on | FALSE                        |
|                         |                                    |                              |
| JCW                     | Job Control Word                   | 0 (zero)                     |
|                         |                                    |                              |
-----------------------------------------------------------------------------------------------

Exercises 

7.   True (T) or False (F):

       a.  _____  HPWAITJOBS is a user modifiable system variable.

       b.  _____  HPCMEVENTLOG is a user modifiable system variable.

       c.  _____  HPCPUNAME is a user modifiable system variable.

8.   What system variable would you look at to find out what your current
     user capabilities are?  What command would you enter to see those
     capabilities?



MPE/iX 5.0 Documentation