http://www.fmi.uni-passau.de/archive/doc/unix/unixhelp/Unixhelp/tasks_list2.html (Einblicke ins Internet, ~06/1995)-a list hidden files
-d list the name of the current directory
-F show directories with a trailing '/'
executable files with a trailing '*'
-g show group ownership of file in long listing
-i print the inode number of each file
-l long listing giving details about files
and directories
-R list all subdirectories encountered
-t sort by time modified instead of name