ProvideX V8.20 > Language Reference > 6. System Parameters
693
'XS'= System Parameter
      Extended Memory (KB)
Description
PVX DOS Only. Assigns the amount of extended memory (in kilobytes) used as
program swap space. If your value exceeds the available extended memory, it will be
adjusted to the maximum allowed.
Default
'XS'=0
'XT' System Parameter
    ProvideX Exits to OS
Description
On. To terminate ProvideX and return to the OS when your application returns to
Command mode (on end of program, a detected error, or an Escape).
Off. To return and stay in Command mode on end of program, error, or Escape.
Default
On, if there is a lead program on the startup ProvideX command. Otherwise, it is off.
Note: If the ESCAPE directive is used in a program, this system parameter will be
automatically reset to prevent session termination.
'ZP' System Parameter
       Accept Zero-Length Programs
Description
Ignores Error #18: Program not loaded/Invalid program format. As of
Version. 4.20, empty program files are considered to be valid.
Default
Off. RUN, CALL, LOAD or PERFORM commands with an empty program file
generate an Error #18.
'!9' System Parameter
      Sage MAS 90 Date Format
Description
Sage MAS 90 Only. Converts incoming and outgoing dates for an ODBC connection to
Sage MAS 90 format automatically.
Default
Off. No automatic conversion is performed.
'!B'= System Parameter
   Set Break Character
Description
PVX UNIX/Linux Only. Assigns the break character.
Default
'!B'=3