SAS Companion for the OS/390 Environment

SAS System Options That Affect the OS/390 Windowing Environment

CHARTYPE=: specifies which character set or screen size to use for a device.
FSBORDER=: specifies what type of symbols to use in window borders and other widgets.
FSDEVICE=: specifies which terminal device driver to use.
FSMODE=: specifies which type of IBM 3270 data stream to use for a terminal.
PFKEY=: specifies which set of function keys to designate as the primary set.

For detailed information about these system options, see System Options in the OS/390 Environment.