..  _pe-bgon:

PE\_BGON
========

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| Syntax   |  PE\_BGOFF                                                        |
+----------+-------------------------------------------------------------------+
| Location |  SMSQ/E  >= 3.12                                                  |
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Classic versions of the Pointer Environment suspend any jobs that are "buried"
in the window stack and try to output onto their window. Some system extensions
like PIE, PICE and PEX implemented work-arounds for this, allowing jobs to
continue running in the background even with output to the screen.

Starting from version 3.12, SMSQ/E supports background window I/O and update
natively. This feature is enabled and disabled by the commands PE\_BGON and
:ref:`pe-bgoff`.

**Example**

::

    PE_BGON

Enables background window I/O.

**CROSS-REFERENCE**

See :ref:`peoff`,
:ref:`pie-on`,
:ref:`pxoff`,
:ref:`pe-bgoff`.