Plan 9 from Bell Labs’s /usr/web/sources/contrib/yk/lab/unix9
--rw-rw-r-- yk sys 36881 Mar 27 16:18 demo.png --rwxrwxr-x yk sys 744 Mar 27 15:21 dircpu --rw-rw-r-- yk sys 1915 Mar 27 21:09 guide --rwxrwxr-x yk sys 1313 Mar 27 15:21 x --rwxrwxr-x yk sys 293 Mar 27 15:21 xfs
