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In this video, we'll briefly talk about file systems.

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The next lesson, lesson 6, is entirely dedicated to working with file systems, so you will

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find more information in there.

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But for now, the main thing is, once you finish creating a partition or any other block device,

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you need to put a file system on top, because a partition is only a reservation of disk

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space, and if you don't put a file system on top of it, there's nothing that you can

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do with your partition.

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Different file systems exist, but ext4 and xfs are most commonly used.

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Xfs is what you typically find in Red Hat environments, and in Ubuntu environments,

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you'll find ext4.

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You can use mkfs.xfs or mkfs.ext4 to create these file systems.

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And both of these commands work with the option "-l", to give the file system a label.

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And you can use mount to connect a file system to a directory as a mount point.

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Again, all the gory details about working with file systems are covered in lesson 6,

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so to be continued.