GATE CS 2019 Set 1 — Question 52
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Operating System → File Systems → Inode & Unix FS
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Question
The index node (inode) of a Unix-like file system has 12 direct, one single-indirect and one double-indirect pointers. The disk block size is 4 kB, and the disk block address is 32-bits long. The maximum possible file size is (rounded off to 1 decimal place) _______ GB.
Solution
Block size bytes; a block address is bits bytes, so one block holds pointers.Blocks addressable
- Direct:
- Single indirect:
- Double indirect:
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