zalign(1) on Linux
The text eff445d06aa4, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it. The page shows this text now.
parallel local alignment of biological sequences
Flags it lists
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-H -
-S -
-V -
-h -
-s