Contents The OpenSSH package contains ssh, sshd, ssh-agent, ssh-add, sftp, scp, ssh-keygen, sftp-server and ssh-keyscan. Description ssh The basic rlogin/rsh-like client program. sshd The daemon that permits you to login. ssh-agent An authentication agent that can store private keys. ssh-add Tool which adds keys to the ssh-agent. sftp FTP-like program that works over SSH1 and SSH2 protocol. scp File copy program that acts like rcp. ssh-keygen Key generation tool. sftp-server SFTP server subsystem. ssh-keyscan Utility for gathering public host keys from a number of hosts.