pair_align(1) on Linux
The text 63e8974e1383, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
Pairwise alignment
Flags it lists
-
--gex -
--gop -
--help -
--high -
--low -
--mmsc -
--msc -
--outfile -
--version -
-V -
-e -
-g -
-h -
-hi -
-lo -
-mm -
-ms -
-o