z/OS UNIX file system support provides these advantages over z/OS conventional MVS™ data sets:

• Support for hierarchical directories
• File names up to 255 characters in length
• Path names up to 1023 characters in length
• Mixed case names and special characters, except nulls and slash characters, in file and path names
• UNIX style access permission support
• Group and user ID support at a file level
• Ability to link z/OS conventional MVS data sets to a POSIX path name.