We know that how important are kitchen knives for quick and easy cooking. We can save time while cooking by using proper tools in the kitchen. Ask a chef how important are proper knives for professional cooking, as it yields a much better result. So it can be said different foods need different knives.
A chef's knife is a hefty knife which can chop soft and tough foods but not bones. Santoku which costs about $15 minimum is used for slicing and dicing.
To make your knife last longer use a honing steel on your knives. Also never chop on marbles, porcelain or on glass instead use it on wooden or plastic boards. And follow simple rules for storage to avoid accidents.