Assertion: command's option | /r/HasProperty | added
Facets:
Source sentences:
text: The -c option can be added to provide a grand total for all of the files and directories that are listed.
text: The ls (i.e., list) command can provide the sizes of individual files by using its -s option, and its -h option (which is similar to du's -h option) can be added to make the output easier to read.