N
Set or clear the indicated filesystem features (options) in the filesystem. More than one filesystem feature can be cleared or set by separating features with commas. Filesystem features prefixed with a caret character ('^') will
be cleared in the filesystem's superblock; filesystem features without a prefix character or prefixed with a plus character ('+') will be added to the filesystem. For a detailed description of the file system features, please see
the man page ext4(5).
The following filesystem features can be set or cleared using tune2fs:
