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What is ext3?

ext3 is a journaling file system. Being the third generation of the Extended Filesystem (full name: Third extended file system), it is the successor to ext2, to which it is backward compatible, and predecessor to ext4, to which it is party forward-compatible. It was first introduced in November 2001.

It features a maximum file size of 16 GiB..2 TiB, and a maximum volume size of 2..16 TiB. Next to the size improvements, it also brings speed improvements over (from which it can directly upgrade without data loss).

Related tags

  • : the second generation of the "extended file system"
  • : the forth generation of the "extended file system"
  • : A file system is the logical structure to organize (store, retrieve and update) data on a storage device.
  • : The command to make a storage device accessible
  • : a filesystem used on MS Windows systems
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