tree(1) on Linux
The text 73b8a7b1ce11, as Debian 3.0 (Woody) shipped it.
list contents of directories in a tree-like format.
Flags it lists
-
--help -
--version -
-A -
-C -
-D -
-F -
-H -
-I -
-L -
-N -
-P -
-R -
-S -
-a -
-d -
-f -
-g -
-i -
-l -
-n -
-o -
-p -
-q -
-s -
-t -
-u -
-x