File alloca tion Table File a File Name Start Block Length 出4 File A 0 File b File b File c File D File c 35823 File I Fil p File D slA 16D17D18 198888 2222□24 2□27□2□x x□3x3x Figure 12.8 Contiguous File Allocation(After Compaction 文件管理文件管理