C:\>perl $foo = 'A' x 255; system $foo; $foo = 'A' x 256; system $foo; ^Z 'AAA ...... AAA' is not recognized as an internal or external command, operable program or batch file. Free to wrong pool 222810 not 41410065 at - line 2. # We now get a fatal popup error with the lovely "Perl # Command Line Interpreter has encountered a problem # and needs to close. We are sorry for the inconvenience."