entrcmd(1) on Linux
The text f170e36af658, as Debian 3.0 (Woody) shipped it.
non-interactive command line interface for Entrez
Flags it lists
-
-c -
-d -
-e -
-f -
-g -
-h -
-i -
-l -
-n -
-o -
-p -
-r -
-s -
-t -
-u -
-w -
-x -
-y