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Appendix F. Reference Table for ext4 and XFS Commands
XFS replaces ext4 as the default file system in Red Hat Enterprise Linux 7. This table serves as a cross reference listing common file system manipulation tasks and any changes in these commands between ext4 and XFS.
| Task | ext4 | XFS |
|---|---|---|
| Creating a file system | mkfs.ext4 | mkfs.xfs |
| Mounting a file system | mount | mount |
| Resizing a file system | resize2fs | xfs_growfs [a] |
| Repairing a file system | e2fsck | xfs_repair |
| Changing the label on a file system | e2label | xfs_admin -L |
| Reporting on disk space and file usage | quota | quota |
| Debugging a file system | debugfs | xfs_db |
| Saving critical file system metadata to a file | e2image | xfs_metadump |
[a]
The size of XFS file systems cannot be reduced; the command is used only to increase the size.
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