Actually, you can use any extension you want... to a degree.

Most people pass the script name as a parameter on the command line. In absence, it will search for certain .kix or .scr files.

quote:
By default, KiXtart automatically looks for a personal script for the current user (“Username.KIX”). If it does not find one, it looks for the default script, “KIXTART.KIX”. You can override this behavior by specifying one or more scripts after Kix32.exe on the commandline. If an extension is not specified, KiXtart attempts to use two default extensions: ”.KIX” and “.SCR”.


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