Amazon Elastic File System (EFS) provides information about the space used for an object by using the space _ used attribute of the Network File System Version4...

Amazon Elastic File System (EFS) provides information about the space used for an object by using the space _ used attribute of the Network File System Version4.1 (NFSv4.1). The attribute includes the object's current metered data size and not the metadata size. Which of the following utilities will you use to measure the amount of disk that is used of a file?