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UNIX INODE

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the unix i node holds 8 direct disk block address a single indirect and double indirect disk block addresses. if the disk blocks are accessible with 16 bits and disk bock offset is 12 bits. the maximum file size supported is (IN TERMS OF GB)??

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8 Direct Disk Blocks
Single Indirect
Single, double indirect disk block
DBA: 16 bits= 2B
DB size = $2^12$B = 4KB
Maximum File size will be

no. of addresses per block = 4KB/2B = 2K

Max file size, when file is stored on single, double indirect disk block

= $2^{11}*2^{11}$ * 4KB = $2^{22} * 2^{12}$ B = $2^{34}$B = 16GB
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