How to format a disk partition with ext4 file system

Note: Formatting a partition will erase all the data on it, so make sure to back up any important files before formatting the partition. Also, make sure to use the correct partition name and mount point. Otherwise, you may lose data or cause other issues.

Formatting a disk partition with the ext4 file system on a Raspberry Pi can be done using the command line tool lsblk and mkfs.

  1. First, you will need to identify the disk partition you want to format.
  2. You can use the command lsblk -f to list all the disk partitions on your system. Look for the device name of the partition you want to format; for example, /dev/sda1.
  3. Now, use the command sudo mkfs -t ext4 /dev/sda1 (replace sda1 with your partition name) to format the partition with the ext4 file system.
    The general syntax for partitioning a disk
  4. Once the formatting process is complete, you can mount the partition to a directory using the command mount /dev/sda1 /mnt/(replace sda1 with your partition name and /mnt/ with your desired mount point)
  5. To confirm that the partition is formatted and mounted successfully, use the command df -h to check the disk usage and check the mounted partition.


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