Install lsh-doc by entering the following commands in the terminal:
sudo apt update sudo apt install lsh-doc
Description:
Secure Shell v2 (SSH2) documentation
lsh is a GPLed implementation of the Secure SHell protocol version 2 (SSH2), a secure replacement for rlogin, rsh, and rcp. . This package contains the lsh documentation, including info pages and manpages about the various protocols which lsh uses, as well as various documents about lsh internals, protocols, and general lsh development. . In some countries it may be illegal to use any encryption at all without a special permit.
Homepage: http://www.lysator.liu.se/~nisse/lsh/
Version: 2.1-12
Section: universe/doc