| badblocks | | Used to search a disk or partition for badblocks. |
| cfdisk | | Similar to fdisk but with a nicer interface. |
| debugfs | | Allows direct access to filesystems data structure. |
| df | | Shows the disk free space on one or more filesystems. |
| dosfsck | | Check and repair MS-Dos filesystems. |
| du | | Shows how much disk space a directory and all its files contain. |
| dump | | Used to back up an ext2 filesystem. Complement is restore. |
| dumpe2fs | | Dump filesystem superblock and blocks group information. Ex: dumpe2fs /dev/hda2 |
| e2fsck | | Check a Linux second extended filesystem. |
| e2label | | Change the label on an ext2 filesystem. |
| exportfs | | Used to set up filesystems to export for nfs (network file sharing). |
| fdisk | | Used to fix or create partitions on a hard drive. |
| fdformat | | Formats a floppy disk. |
| fsck | | Used to add new blocks to a filesystem. Must not be run on a mounted file system. |
| hdparm | | Get/set hard disk geometry parameters, cylinders, heads, sectors. |
| mkfs | | Initializes a Linux filesystem. This is a front end that runs a separate program depending on the filesystem's type. |
| mke2fs | | Create a Linux second extended filesystem. |
| mkswap | | Sets up a Linux swap area on a device or file. |
| mount | | Used to mount a filesystem. Complement is umount. |
| rdev | | Query/set image root device, swap device, RAM disk size of video mode. What this does is code the device containing the root filesystem into the kernel image specified. |
| rdump | | Same as dump. |
| rmt | | Remote magtape protocol module. |
| restore | | Used to restore an ext2 filesystem. |
| setfdprm | | Set floppy drive parameters. |
| swapoff(8) | | Used to de-activate a swap partition. |
| swapon(8) | | Used to activate a swap partition. |
| sync | | Forces all unwritten blocks in the buffer cache to be written to disk. |
| tune2fs | | Adjust tunable filesystem parameters on second extended filesystems. |
| umount | | Unmounts a filesystem. Complement is mount. |