Character-Mode Clients

Let's delve into character-mode clients. A character-mode client may present full-screen color panels in some circumstances. The unit of x-y addressing is a fixed character cell, not a screen pixel or point mapping as in a GUI client. The advantage of a character-mode client is its low-bandwidth requirement. Another advantage is that the necessary servers and clients are ubiquitous across Windows and Linux.

Examples of character-mode clients are

  • telnet

  • Berkeley remote commands, such as rlogin, rsh, and rcp

  • Secure Shell (SSH)

Telnet

Windows XP and Red Hat Linux 7.1 have telnet clients installed out of the box. Any command for which the authenticated user is authorized may be carried out from the telnet command shell, provided ...

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