-NNCP (Node to Node copy) is a collection of utilities simplifying
-secure store-and-forward files and mail exchanging.
+@strong{NNCP} (Node to Node copy) is a collection of utilities
+simplifying secure store-and-forward files, mail and command exchanging.
See also this page @ref{Об утилитах, on russian}.
This utilities are intended to help build up small size (dozens of
nodes) ad-hoc @url{https://en.wikipedia.org/wiki/Friend-to-friend,
friend-to-friend} (F2F) statically routed
-@url{https://en.wikipedia.org/wiki/Darknet, darknet} networks for
-fire-and-forget secure reliable files, file requests and Internet mail
-transmission. All packets are integrity checked,
-@url{https://en.wikipedia.org/wiki/End-to-end_encryption, end-to-end}
-encrypted, explicitly authenticated by known participants public keys.
-@url{https://en.wikipedia.org/wiki/Onion_routing, Onion encryption} is
-applied to relayed packets. Each node acts both as a client and server,
-can use push and poll behaviour model.
+@url{https://en.wikipedia.org/wiki/Darknet, darknet}
+@url{https://en.wikipedia.org/wiki/Delay-tolerant_networking, delay-tolerant}
+networks for fire-and-forget secure reliable files, file requests,
+Internet mail and commands transmission. All packets are integrity
+checked, @url{https://en.wikipedia.org/wiki/End-to-end_encryption,
+end-to-end} encrypted, explicitly authenticated by known participants
+public keys. @url{https://en.wikipedia.org/wiki/Onion_routing, Onion
+encryption} is applied to relayed packets. Each node acts both as a
+client and server, can use push and poll behaviour model.
Out-of-box offline @url{https://en.wikipedia.org/wiki/Sneakernet,
sneakernet/floppynet}, @url{https://en.wikipedia.org/wiki/Dead_drop,