What are the various flags/arguments that can be used while executing a perl program?

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What happens to objects lost in "unreachable" memory, such as the object returned by Ob->new() in `{ my $ap; $ap = [ Ob->new(), $ap ]; }' ?

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When does circular reference occur?

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Which functions in perl allows you to include a module file.

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Create a function that is only available inside the scope where it is defined ?

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What is the difference between having a parenthesis after module name and without parenthsis after module name?? i.e Package::Module(); and Package::Module;

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Define dynamic scoping.

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How to concatenate strings in perl?

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Explain goto name?

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What is the purpose of redo statement?

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How do you debug a Perl scripting ( at the compile time error or run time error) in Unix environment ?

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Explain different types of perl operators.

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