The File System Types Supported in Linux

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ext3: Most commonly used file system with Linux. Contains journaling features for safer data and fast reboots after unintended shutdowns.
ext2: Predecessor of ext3, but doesn’t contain journaling.
iso9660: Evolved from the High Sierra file system (which was the original standard used on CD-ROM). It may contain Rock Ridge extensions to allow iso9660 file systems to support long file names and other information (file permissions, ownership, and links).

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