You may assume the element is contained within a single line. Make sure you match the entire heading. Do not use the grep -i option. The root has between 2 and m children.
All leaves are at the same level.
To search a B-tree index, one must traverse a path from the root to a leaf node. We wish to minimize the amount of time needed to search the B-tree index for a value. Give at least two reasons why this choice for m would be undesirable.