Remote Computer Access

• UNIX: rlogin, rsh, telnet
• Mac, PC: telnet

More About telnet

• Provides single connection to remote host (in contrast to ftp)
• If connecting to a telnet daemon:
  • Provides a login shell
  • Holds communication open
  • Acts as a pseudo terminal, handling mechanics of flow control, terminal types, character sets
• Can communicate with virtually any network service
• Useful for demonstrating other network service protocols