# Get all free ranges that are at least 500MB, # pagefile.sys will be ignored (considered free space) # Then sort them by size, descending ./ntfsfree -m 50000000 -p /tmp/test.ntfs | sort -r -k 4,4 -n -b # Human readable listing of all free ranges of at least 1MB ./ntfsfree -m 1000000 -h /dev/sda5