Linux
Check-check 1-2-3
, , . , . Linux. LPIC .
, .
- ;
- ;
- .
:
df
,du
,fsck
,debugfs
Linuxmke2fs
,e2fsck
,dumpe2fs
,tune2fs
extxfs_check
,xfs_repair
,xfs_info
,xfs_metadump
xfs
, c.
df
:
man df

. . Ÿ , 1 .

, h
. , , . /dev/sdc1
1% . , lost+found
. , 37 . inode. Inode . , , . , inode. df I
inode.

, , inode /dev/sda2
inode , . inode 1% . , inode . inode . , inode.
du
man du

, , . , , . , h
.

, ncdu
.
sudo apt install ncdu y
ncdu
. .

du
. .
du h /home
. , , ls l
. i
inode .

.
, .
fsck
man fsck

Linux .
, , o Windows, , checkdisk
. . , Linux fsck
, Linux . fsck /dev/sdc1
. :

, . Windows, . . . , Windows, . , Windows, . . , ( ) .
e2fsck
, ext\ext2\ext3\ext4
. . fsck
, . , fsck
.
, - , . umount /mnt
.

fsck t ext4 /dev/sdc1

. fsck
. , 11 66753 . , .
, , .
mkfs t xfs f /dev/sdc1
fsck /dev/sdc1

, fsck
, . xfs_ncheck /dev/sdc1
. xfs_repair /dev/sdc1
.

mount /dev/sdc1 /mnt
xfs_info /dev/sdc1
xfs_metadump
/dev/sdc1 dump.db
ext4
/dev/sdc1
. mnt
. nano /mnt/test.txt
man debugfs
. : . , , , inodes.

debugfs w /dev/sdc1
. help
.

.
ls
2 inode. rm test.txt
, ., ls
. , . , , . , . , . , 2 3 . lsdel
. .

debugfs
.
, 1 inode 12 , . q
. c undel <12> test.txt
, , . , ls
.
debagfs
. 1 , . .
dumpe2fs
. man dumpe2fs

, . /dev/sdc1
.

. . , :
dumpe2fs /dev/sdc1 > /tmp/output.txt
less /tmp/output.txt
.
, ext4
ext2
. 3- : mkfs
, mke2fs
, mkfs
.ext2
. . . grep
features
. :
dumpe2fs /dev/sdc1 | grep features
, , has_jounal
. ext3
. . .
tune2fs
.
man tune2fs

, . , ext2
. tune2fs O has_journal /dev/sdc1
. ext2
. ^
.