On windows you can use start command: 

for ('perl script.pl', 'program.exe') {
  system("start $_") == 0
    or warn "$_: $!";
}

[download]

Also see fork, perlthrtut and threads to know how to run parallel processes and threads

In reply to Re: executing a list of programs by ccn
in thread executing a list of programs by Anonymous Monk

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