Reference Table for ext4 and XFS Commands

XFS replaces ext4 as the default file system in CentOS 7.6.1810. This table serves as a cross reference listing common file system manipulation tasks and any changes in these commands between ext4 and XFS.

Table 1. Reference Table for ext4 and XFS Commands
Task ext4 XFS

Creating a file system

mkfs.ext4

mkfs.xfs

Mounting a file system

mount

mount

Resizing a file system

resize2fs

xfs_growfs [1]

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


1. The size of XFS file systems cannot be reduced; the command is used only to increase the size.