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File Systems - Partition 2 Partition 3 Inode List Data...

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File Systems The storage can be classified from fastest to slowest in the following Registers Cache RAM Flash Memory Disk CD/DVD Tape Network storage
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Disk File Systems The disk is a an electromagnetic and mechanical device that is used to store information permanently. The disk is divided into sectors, tracks and blocks
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Disk File Systems Sector Track
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Disk File Systems Block A Block is the intersection between a sector and a track
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Disk File Systems Disks when formatted are divided into sectors, tracks and blocks. Disks are logically divided into partitions. A partition is a group of blocks. Each partition is a different file system.
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Disk File System Partition 1
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Unformatted text preview: Partition 2 Partition 3 Inode List Data Blocks Boot Block Super Block Disk File System • Each partition is divided into: – Boot Block – Has a piece of code that jumps to the OS for loading. – Superblock – Contain information about the number of data blocks in the partition, number of inodes, bitmap for used/free inodes, and bitmap for used/free blocks, the inode for the root directory and other partition information. – Inode-list – It is a list of I-nodes. An inode has information about a file and what blocks make the file. There is one inode for each file in the disk. – Data Blocks – Store the file data....
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