drwxr-sr-x 2 17037 209 256 Oct 26 2017 . drwxr-sr-x 975 17037 209 98304 May 9 05:47 .. -rw-r--r-- 1 17037 209 445263 Oct 26 2017 systems-software-z-systems-zs-case-study-zsc03359usen-20171026.pdf