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How to Fix Checksum Error Using fsck Command in Linux?

  • Last Updated : 03 Oct, 2019

File Systems are responsible for how our data is stored and organized. If our file system corrupted and certain parts not working then such a problem leads to inconsistency in the file system. This problem can be solved by using fsck(file system consistency check) command. This fsck work at the time of booting.

Why to use fsck in Linux?

  • The problem occurs when booting the system.
  • The file may be corrupt or missing.
  • Drivers are not working like memory cards and flashcards.

Options of fsck command:

fsck -A:: Check all file systems.
fsck -C: Show progress bar is working or not.
fsck -l: Locks the device to guarantee no other program will try to use the partition during the check.
fsck -M: Mounted file system will not check.
fsck -P: Check file system is parallel or not including root.
fsck -R: It will not check root file System.
fsck -r: It provide information device is check or not.
fsck -T: It doesnot show the title.
fsck -V: Provide description what is being done.

How to use fsck command?

Step 1: First we open the boot option and select the advance option for ubuntu.

Step 2: Then select recovery mode

Step 3: Then select fsck options

It will ask for the file system for remounted. Select yes.

Now you can see the following:

Step 4: Select Resume

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