ext2, or second extended file system, is a file system for the Linux kernel. It was initially designed by French software developer Rémy Card History · ext2 data structures · File-system limits · See also
The Ext2 file system divides up disk space into logical blocks of contiguous space. The size of blocks need not be the same size as the sector size of the disk ... Basic Concepts · Superblock · Block Group Descriptor Table · Inodes
An Ext2 file systems starts with a superblock located at byte offset 1024 from the start of the volume. This is block 1 for a 1KiB block formatted volume or ...