Long description

Part (a): Seven concentric rings and 15 diagonal lines divide a circle into different parts. The first outer ring is shaded up to six parts and labeled I-nodes are located near the start of the disk. Part (b): There are seven concentric rings in a circle and there are 15 diagonal lines in a circle. The first outer ring and alternate rings are shaded up to two parts and labeled Disk is divided into cylinder groups, each with its own i-nodes. These alternate rings are categorized as the Cylinder group.