ProvideX V8.20 > Language Reference > 6. System Parameters
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'IS'= System Parameter
        CTL for Input Ending on SIZ=
Description
Assigns the control value (CTL) to be returned when input terminates on a SIZ=
clause.
Default
'IS'=5
'IW' System Parameter
    Terminate Invoke Wait
Description
Controls whether switching focus back to a ProvideX task will terminate an INVOKE
WAIT. When 'IW' is enabled, ProvideX will wait until the task launched by the
INVOKE WAIT is completed. The 'IW' parameter is WindX aware .
Default
On.
'IZ'= System Parameter
      Ignore Max. Memory Setting
Description
To ignore the maximum memory setting defined by either the START Directive,
p.326, or the 'SZ'= System Parameter, p.685.
Use the 'IZ' parameter when converting an application from another language where
the values on the START directives may be incompatible with ProvideX standards.
Default
Off. Memory use will be limited via START and 'SZ'= settings.
'JC' System Parameter
   Obsolete
Description
Deprecated. Use the 'DC' System Parameter, p.659.
'KF'= System Parameter
   Keyed File Format
Description
To set the default format type for creation by the KEYED directive, where:
'KF'=0, the KEYED directive always creates VLR or FLR-based files.
'KF'=1, the KEYED directive creates EFF formatted files with a 2GB limit.
'KF'=2, the KEYED directive creates EFF formatted files without the 2GB limit on
platforms that provide Large File Support (LFS), 64-bit addressing. Setting this
parameter on a system that does not provide LFS will automatically change to a 'KF'
value of 1.
Default
'KF'=0.