ls [sw] [<pathname>]

List directory contents.

Switches -
l	long format.
d	directory status.
t	sort by time modified.
a	list all entries.
s	give size in blocks.
r	reverse sort order (alpha/time).
u	sort by time of last access.
c	sort by time of creation.
i	show i number.
f	force each arg to be dir.
m	stream output.
C	multi column output.
x	columnar output is sorted across.
F	flag dirs and executable files.
R	recursively list sub-dirs.
-1	one entry per line.
