Monday 19 March 2012

Linux Filesystem Management

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.

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