ash(1) on Linux
The text 28891d033a9d, as Debian 3.0 (Woody) shipped it.
command interpreter (shell)
Flags it lists
-
-C -
-E -
-H -
-I -
-S -
-V -
-a -
-b -
-c -
-d -
-e -
-f -
-i -
-l -
-m -
-n -
-number -
-p -
-q -
-r -
-s -
-t -
-u -
-v -
-x