Question 7) Consider a "unix" filesystem where: [6 marks] All i-nodes are cached in RAM . i-nodes have 10-direct pointers, 2 indirect pointers and 3 double indirect pointers. Blocks are 8KB . Block pointers are 16Bytes blocks are numbered from 0. A) What is the maximum possible file size for this file system? [2 marks] B) How many blocks (in total) must be accessed to read the following blocks from a file: 0,1,2, 4012,8009 2 marks C) What is the number of the first block in a large file which needs to use the second double indirect pointer? 2 marks]