Tools to create and administer Ext file systems, include the mkfs.ext4, dumpe2fs, tune2fs, e4dfrag, and resize2fs commands.

• Creating and Mounting an Ext File System
• Checking and Repairing an Ext File System
• Configuring Automatic File System Checking for Ext File Systems
• Defragmenting an Ext4 File System
• Resizing an Ext File System