tune2fs 1.40.1 (08-Jul-2007)
Usage: tune2fs [-c max_mounts_count] [-e errors_behavior] [-g group]
        [-i interval[d|m|w]] [-j] [-J journal_options]
        [-l] [-s sparse_flag] [-m reserved_blocks_percent]
        [-o [^]mount_options[,...]] [-r reserved_blocks_count]
        [-u user] [-C mount_count] [-L volume_label] [-M last_mounted_dir]
        [-O [^]feature[,...]] [-T last_check_time] [-U UUID] device