If you are planning to spend some time in the wilderness, you might want to get a good survival knife. A decision on which one to buy will depend on the special features you desire in a knife. Therefore, this survival knife review will not make any specific recommendations but will give you a general idea of the basics of a good survival knife.
Survivalists differ from regular people because they are always prepared for anything. Therefore, a good knife can be versatile enough to handle task you have at hand. In particular, the blade should be strong, always sharp and in perfect condition. However good a blade is, it will still need regular sharpening to keep it functional.
Some knives need special sharpeners to maintain the blade. However, you should have a blade that can be sharpened by any appropriate object you find in a the wilderness, like a rock, just in case you forget the sharpener.