How to cut an avocado
In summary to cut an avocado,
Use a paring knife.
Cut in lengthwise and center, while being very careful.
When you reach the core, cut in turning around the avocado to cut all around.
Separate the two halves simply by holding and turning the pieces apart.
To remove the core, just hit him with the blade of your knife, it should insert itself. With the nucleus retained by the blade, turn and remove it.
To remove the avocado fruit, use a spoon and walk along the skin on the inside of the peel, you will be able to disengage it and place on a plate to work with it more easily.