(6 marks, 10 Min)UNIX filesystem has 1--KB blocks and 2--byte disk addresses. Each i-node contains 10 direct entries, one singly--indirect entry and one doubly--indirect entry. C-Based on the same condition as is in b), what is the fraction of wasted disk space if we Choose... change the block size to 2--KB? Justify your answer. Choose... C- What is the maximum file size possible in such an arrangement The max size of the hard disk is (in bytes): b-Suppose half of all files are exactly 1.5--KB and the Choose