
Ext2 was a disk filesystem used by Linux for fixed disks as well as removable media. The second extended filesystem was designed as an extension of the extended filesystem (ext). Ext2 offered the best performance (in terms of speed and CPU usage) of the filesystems supported under Linux at the time of its development.
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Extended File System Version 2 is probably the most widely used filesystem in the Linux community. It provides standard Unix file semantics and advanced features. Moreover, thanks to the optimizations included in the kernel code, it is robust and offers excellent performance.
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