ttx(1) on Linux
The text 6d7ff2fb6dbc, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
tool for manipulating TrueType and OpenType fonts
Flags it lists
-
-a -
-b -
-d -
-h -
-i -
-l -
-m -
-s -
-t -
-v -
-x -
-y