Linux fsck command

Linux fsck command is used to check and repair the Linux file system, you can check one or more Linux file systems simultaneously.

fsck [-sACVRP] [-t fstype] [--] [fsck-options] filesys [...]

Parameters:

filesys:. device name (eg./dev/sda1),mount point (eg / or / usr)
-t: given type of file system, or kernel itself has been defined to support if the / etc / fstab is not required in this parameter plus
-s: sequentially one by one to check the fsck command execution
-A: For / etc fstab in partition / listed all the check-ups
-C: Display a complete check progress
-d: print debug result of e2fsck
-p: -A condition at the same time there is, there are multiple fsck checks performed together
-R: -A Condition when both have omitted / not checked
-V: Detailed display mode
-a: If the check is wrong automatically repair
-r: Check if the answer is wrong by the user repair

Check msdos file system / dev / hda5 is normal, if there is an exception automatically fixes:

fsck -t msdos -a /dev/hda5

Note that this command can be used to understand and / etc / fstab cross-referencing operation.

Linux Tutorial