fi       list the names of files in directory
dir      list names and summarised status
fs       list names and full status
protect  list names and status and interactively change protection modes

% dir
ctime2.c      :  7291 Sep 27 11:37  dir.c         : 10072 Sep 27 11:42
ctime2.o      :  3924 Sep 27 11:39  dir.o         : 10764 Sep 27 11:39
dir           :  8134 Sep 27 11:39

% fs
ctime2.c      :  7291 Sep 27 11:37 cubema:r,w   [others:r,w   ]
ctime2.o      :  3924 Sep 27 11:39 cubema:r,w   [others:r,w   ]
dir           :  8134 Sep 27 11:39 cubema:r,w,x [others:r,w,x ]
dir.c         : 10072 Sep 27 11:42 cubema:r     [others:r     ]
dir.o         : 10764 Sep 27 11:39 cubema:r,w   [others:r,w   ]

% protect dir.c
dir.c         : 10072 Sep 27 11:39
cubema:[r,w   ]:r
others:[r,w   ]:r

% fi
ctime2.c       ctime2.o       dir            dir.c          dir.o