system(1, ...) on Win32 is documented in Alphabetical Listing of Perl Functions. And Re: spawning Perl scripts has some alternatives for creating a separate/asynchronous process on Windows.

In reply to Re: Simple Perl "Shell" Script on Windows XP to Run Multiple, Simultaneous Processes in Parallel by ig
in thread Simple Perl "Shell" Script on Windows XP to Run Multiple, Simultaneous Processes in Parallel by Jim

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