In HDFS, you view a file with rw-r–r– set as its permissions. What does this tell you about the file?
The file cannot be deleted by anyone but the owner
The file cannot be deleted by anyone
The file cannot be run as a MapReduce job
The file’s contents can be modified by the owner, but no-one else
As a Filesystem in Userspace (FUSE), HDFS files are available to all user’s on a cluster
regardless of their underlying POSIX permissions.