There are many kinds of knives and survival knives are one of them. Survival knives are carried by armed Troops, Hunters, and Backpackers & Campers. Survival knives have a lot of designs & sizes.
There are extended & weighty survival knives with a design similar to a machete. Some are still built based on the design of the Bowie knife. Many survival knives have a versatile blade.
The blade can usually achieve multiple tasks like chopping, cutting, spearing & prying. One of the most ordinary features is a part of saw like teeth on one side of the cutting edge.