Restaurant pos systems help restaurant owners enhance the customer experience and streamline business operations relating to sales, cash flow, food inventory, and bookkeeping. additional features include payment gateway, order management, analytics, and table reservations. some restaurant pos systems also provide advanced features, such as food costing and a built-in marketing suite to help restaurant owners with budgeting, as well as creating and executing outreach campaigns. most restaurant pos systems and software can also be used by other food and beverage businesses, such as cafes, food trucks, and bars.