$ ls -ld . * */*
drwxr-xr-x ping staff  32768 Apr  2 2010 .
-rw----r-- ping students  31359 Jul 24 2011 manual.txt
-r--rw--w- bob  students   4359 Jul 24 2011 report.txt
-rwsr--r-x bob  students 141359 Jun  1 2013 microedit
dr--r-xr-x bob  staff     32768 Jul 23 2011 src
-rw-r--r-- bob  staff     81359 Feb 28 2012 src/code.c
-r--rw---- emma students    959 Jan 23 2012 src/code.h