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Partclone, like the well-known Partimage, can be used to back up and restore a partition while considering only used blocks.

## Installation

Install the partclone package.

## Using Partclone with an ext4-formatted partition

### Without compression

To backup without compression:

    # partclone.ext4 -c -s /dev/sda1 -o ~/image_sda1.pcl

To restore it:

    # partclone.ext4 -r -s ~/image_sda1.pcl -o /dev/sda1

### With compression

To backup with compression:

    # partclone.ext4 -c -s /dev/sda1 | gzip -c > ~/image_sda1.pcl.gz

Note: For maximum compression use `gzip -c9`, or experiment with other compression tools

To restore it:

    # zcat ~/image_sda1.pcl.gz | partclone.ext4 -r -o /dev/sda1

Category:

- File systems