]
device
.SH DESCRIPTION
-.BI tune2fs
+.B tune2fs
allows the system administrator to adjust various tunable filesystem
parameters on Linux ext2, ext3, or ext4 filesystems. The current values
of these options can be displayed by using the
On some distributions, such as Debian, if an initial ramdisk is used,
the initrd scripts will automatically convert an ext2 root filesystem
to ext3 if the
-.BR /etc/fstab
+.B /etc/fstab
file specifies the ext3 filesystem for the root filesystem in order to
avoid requiring the use of a rescue floppy to add an ext3 journal to
the root filesystem.
can be run to convert existing directories to the hashed B-tree format.
Enabling certain filesystem features may prevent the filesystem from being
mounted by kernels which do not support those features. In particular, the
-.BR uninit_bg
+.B uninit_bg
and
-.BR flex_bg
+.B flex_bg
features are only supported by the ext4 filesystem.
.TP
.BI \-r " reserved-blocks-count"
given quota type. Quota options could be one or more of the following:
.RS 1.2i
.TP
-.BR [^]usrquota
+.B [^]usrquota
Sets/clears user quota inode in the superblock.
.TP
-.BR [^]grpquota
+.B [^]grpquota
Sets/clears group quota inode in the superblock.
.TP
-.BR [^]prjquota
+.B [^]prjquota
Sets/clears project quota inode in the superblock.
.RE
.TP