To perform arithmetic functions

To determine whether a string matches a specific pattern

To perform spelling checks within text files

To output data to a text file

getpass($arg2);

call &getpass($arg2);

sub &getpass($arg2);

call getpass($arg2);

%employees = ("Adrienne", "Marketing");

%employees = ("Lucy", "Accounting");

%employees = ("Lucy", "Accounting", "Armando", "Finance");

%employees = ("Armando", "Finance", "Adrienne", "Marketing");