Co robi E2FSCK użycie. Konsola for ext2 (Linux Second Extended) and ext3 (Third Extended, a.

Czy przydatne?

Polecenie e2fsck

Wykonanie, użycie: System administration command. Checks and repairs a disk, as does fsck, but specifically designed for ext2 (Linux Second Extended) and ext3 (Third Extended, a journaling version of ext2) filesystems. fsck actually uses this command when checking ext2 and ext3 filesystems. Most often used after a sudden shutdown, such as from a power outage, or when damage to the disk is suspected

Opcje wykonania e2fsck w konsoli

-b superblock

Use superblock instead of the default superblock.


Find bad blocks using the badblocks command. Specify this option twice to perform the scan with a nondestructive read-write test.


Debugging mode.


Force checking, even if kernel has already marked the filesystem as valid. e2fsck will normally exit without checking if the system appears to be clean.

-j file

Use the specified external journal file.


Preserve all previously marked bad blocks when using the -c option.

-l file

Consult file for a list of bad blocks, in addition to checking for others.


Ensure that no changes are made to the filesystem. When queried, answer "no."


"Preen." Repair all bad blocks noninteractively.


Byte-swap the filesystem if necessary to standard (little-endian) byte-order.


Display timing statistics.




When queried, answer "yes."

-B size

Expect to find the superblock at size; if it's not there, exit.

-C filedescriptor

Write completion information to the specified filedescriptor. If 0, print a completion bar.


Optimize directories by reindexing, sorting, and compressing them where possible.


Flush buffer caches before checking.

-L file

Consult file for list of bad blocks instead of checking filesystem for them.


Byte-swap the filesystem.

Przykłady e2fsck działanie w Słownik polecenie E

Przykład E2FSCK użycie :
Jak użyć environment variables in a shell string or script. When used with no options, copies stdin to stdout, replacing any environment variable string, such as $VARIABLE or ${VARIABLE }, with co to jest.
Przykład E2FSCK użycie :
Jak użyć administration command. Set the latency in the elevator algorithm used to schedule I/O activities for the specified block devices . If no options are given, print the current settings for devices definicja.
Przykład E2FSCK użycie :
Jak użyć files for lines that match an extended regular expression regexp . egrep doesn't support the regular expressions (, ), n , <, >, {, or }, but it does support the other expressions, as well as co znaczy.
Przykład E2FSCK użycie :
Jak użyć A text editor and all-purpose work environment. For more information, see Chapter 8 słownik.
Przykład E2FSCK użycie :
Jak użyć input string to standard output. This is the /bin/echo command. echo also exists as a command built into bash . The following character sequences have special meanings: a Alert (bell).  Backspace. c znaczenie.