ntdpal(1) on Linux
The text d6221e3ffbda, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
Provides Primer3's alignment functionality
Flags it lists
-
-a -
-e -
-f1 -
-f2 -
-f3 -
-g -
-h -
-l -
-m -
-p -
-s