How do I change my file system to be read write ( and back to read only) Colin Paice USS, zfs June 21, 2026 1 Minute It’s easy – use the chmount command. chmount -w /usr or chmount -r /usr Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related Published by Colin Paice View all posts by Colin Paice Published June 21, 2026