THE Reference - SET Commands

SET IMPCMSCP - set implied operating system command processing
Syntax:: [SET] IMPcmscp ON|OFF
Description:: The SET IMPCMSCP command is used to toggle implied operating system command processing from the command line. By turning this feature on you can then issue an operating system command without the need to prefix the operating system command with the OS command.
Compatibility:: XEDIT: Compatible.; KEDIT: N/A
Default:: ON
See Also:: SET IMPOS
Status:: Complete.