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   Understanding the Linux File and Directory System
This lesson is about the logical Linux file system that you see and manipulate.
   Inode density during partitioning
"The INODE density gives the average size of a file on a particular partition. The number of inodes determines how many files can be created on a given partition. If this number is too small, it can happen that a partition seems to be full although there are still some blocks left. Eg, if you choose 4096 bytes pre inode, it means that onb average you expect each file to have a size of 4KB. Imagine you put only small files(1KB) on this partition, you will only be able to use a quarter of your HD since the partition will seem to be "full"."
   ext4 file systems
ext4, which uses two disk partitions to store its data. One partition is used exclusively for directory-related information, and one partition for ordinary files. The file system is developed as a modification of the Linux-ubiquitous ext2 file system. The aim is to benefit from: (1) parallelism in the access to the two partitions, if they are stored on disks with separate controllers; (2) simplified layout policies enhanced to favor access patterns specific for each type of file.
   File System and Disk Commands
List of Unix commands for file system use.
   Filesystems HOWTO
This small HOWTO is about filesystems and accessing filesystems. It is not Linux- or Unix-related document as you probably expect. You can find there also a lot of interesting information about non-Unix (file)systems Version 0.7.4, 17 March 2000
   Linux Undelete Utilities

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