# scalpel > Recover files from a disk image based on file headers and footers. > File patterns must be enabled in the configuration file (all are commented out by default). > More information: . - Carve files from a disk image using a specific configuration file: `scalpel -c {{path/to/scalpel.conf}} -o {{path/to/output_directory}} {{path/to/disk_image.dd}}` - Preview which files would be carved, without actually carving them: `scalpel -p -c {{path/to/scalpel.conf}} -o {{path/to/output_directory}} {{path/to/disk_image.dd}}` - Skip the first N bytes of the disk image before carving: `scalpel -s {{number}} -c {{path/to/scalpel.conf}} -o {{path/to/output_directory}} {{path/to/disk_image.dd}}` - Carve files without organizing them into subdirectories by type: `scalpel -O -c {{path/to/scalpel.conf}} -o {{path/to/output_directory}} {{path/to/disk_image.dd}}` - Display help: `scalpel -h` - Display version: `scalpel -V`