Table of Contents Title and Copyright Information Preface Documentation License Conventions Documentation Accessibility Access to Oracle Support for Accessibility Diversity and Inclusion 1 About File Systems 2 Formatting a File System 3 Managing File System Mounts Viewing File System Mount Information Using the mount Command Using Bind Mounts Using the loop Device to Mount a File System Image Moving a File System to a New Mount Point Unmounting a File System Managing the File System Mount Table Editing /etc/fstab For Persistent Mounts Managing Systemd Mounts Using systemd mount Targets Managing On-Demand Mounts Using autofs Installing and Enabling autofs Configuring autofs 4 Discarding Unused Blocks on a File System Using fstrim to Discard Unused Blocks Enabling Automatic Block Discard Using the fstrim Systemd Timer 5 Configuring Access Control Lists Enabling ACL Support Setting and Displaying ACLs 6 About Disk Quotas