Can Linux delete the storage hard drive?

Linux can delete the storage hard disk. The steps are: 1. Use the command "lsblk" or "fdisk -l" to check the hard disk list in the system and find the target hard disk to be deleted; 2. Use "umount" command to uninstall the partition; 3. Delete the partition table, and finally use the w command to save and exit; 4. Use the dd command to overwrite the data on the hard disk with zero values ​​or random data; 5. Wait for the dd command to complete the deletion.

The operating system of this tutorial: Linux5.18.14 system, Dell G3 computer.

Linux provides the function of deleting the storage hard disk. Please note that deleting the storage drive will permanently delete the data on it, please make sure to back up important data before performing this operation. The following is an overview of the steps to delete a storage hard disk:

1. Confirm the hard disk identification:

Use the command lsblk or fdisk -l to check the hard disk list in the system and find The target hard drive to delete.

2. Unmount partitions:

If there are mounted partitions on the target hard disk, these partitions need to be unmounted first. You can use the umount command to unmount a partition, such as umount /dev/sdXN (where X represents the hard disk number and N represents the partition number).

3. Delete the partition table:

Use the command fdisk /dev/sdX (where X represents the hard disk number) to open the partition table of the hard disk, and then use the d command to delete one by one All partitions, finally use the w command to save and exit.

4. Clear hard disk data:

You can use the dd command to overwrite the data on the hard disk with zero values ​​or random data to ensure that the data cannot be recovered. For example, use the following command to clear the data on the hard disk:

dd if=/dev/zero of=/dev/sdX bs=4M status=progress

5. Complete deletion:

Wait for the dd command to complete, which may take some time. Once completed, the data on the storage hard drive will be overwritten and deleted.

Please note that you need to be careful when performing this operation and make sure you select the correct hard drive for deletion. Because deletion is irreversible, please make sure to back up all important data in advance and confirm that the operation is correct before continuing.

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