Data Set File System (DSFS)

With z/OS Data Set File System (DSFS), z/OS UNIX applications can access data sets by presenting the data sets as a tree-structured file system that is mounted at mount point /dsfs in the z/OS UNIX file system tree. A utility file system is used by DSFS to contain POSIX information about the data sets accessed by applications to assist in the presentation of data sets as a tree in the z/OS UNIX file system space.