To the surprise of many, OpenSSH actually is comprised of a suite of tools. We have already seen
ssh, the Secure Shell command that connects to other machines, and
sshd, the SSH server daemon that accepts incoming SSH connections. However, there is also
sftp, a replacement for
You should already be familiar with the
ftp command because it is the lowest common denominator system for handling FTP file transfers. Like Telnet, though,
ftp is unsecure: It sends your data in plain text across the network, and anyone can sniff your packets to pick out a username and password. The SSH replacement,
sftp, puts FTP traffic over an SSH link, thus securing it.
rcp command might be new to you, largely because it is not used ...