D:\tmp\pm>perl -e"print @ARGV" * * D:\tmp\pm>perl -e"print @ARGV" '*' '*' D:\tmp\pm>perl -e"print @ARGV" "'*'" '*' D:\tmp\pm>perl -e"print @ARGV" "*" * D:\tmp\pm>perl -e"print @ARGV" \* \* D:\tmp\pm>perl -e"print @ARGV" \"*\" "*" D:\tmp\pm>