operator(1) - phpMan

Bit::Vector::Overload (3pm) - Overloaded operators add-on for Bit::Vector
Date::Calc::Object (3pm) - Object-oriented add-on for Date::Calc with overloa...
filetest (3pm)       - Perl pragma to control the filetest permission operators
join (1p)            - relational database operator
operator (7)         - C operator precedence and order of evaluation
perlop (1)           - Perl operators and precedence