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MadeEasy Test Series: Operating System - File System

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In particular Unix OS, each data block is 256 bits, each node has 4 direct data block addresses and 3 additional addresses: One for single indirect block, one for double indirect block and one for triple indirect block. Each block is addressed with 64-bit. The total size of a file possible in the file system (in k-bits) is________.
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yes answer is 22Kbit and the solution is correct.

because (256/64)=4

maximum file size = 256*(4+4+4*4+4*4*4)=22Kbit
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MadeEasy Subject Test 2019: Operating System - File System
Unix I-node has block size 8 KB and file possible with triple indirect is 128 GB.Number of bits disk block address contain is?
Unix I-node has block size 8 KB and file possible with triple indirect is 128 GB.Number of bits disk block address contain is?
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