Terminal emulation in the context of Serial port

Terminal emulation in the context of Serial port

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⭐ Core Definition: Terminal emulation

A terminal emulator, or terminal application, is a computer program that emulates a video terminal within another display architecture. Though typically synonymous with a shell or text terminal, the term terminal covers all remote terminals, including graphical interfaces. A terminal emulator inside a graphical user interface is often called a terminal window.

A terminal window allows the user access to a text terminal and all its applications such as command-line interfaces (CLI) and text user interface (TUI) applications. These may be running either on the same machine or on a different one via telnet, ssh, dial-up, or over a direct serial connection. On Unix-like operating systems, it is common to have one or more terminal windows connected to the local machine.

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Terminal emulation in the context of CompuServe

CompuServe, Inc. (CompuServe Information Service, Inc., also known by its initialism CIS or later CSi) was an American Internet company that provided the first major commercial online service. It opened in 1969 in Columbus, Ohio, as a timesharing and remote access service marketed to corporations. After a successful 1979 venture selling otherwise under-utilized after-hours time to Radio Shack customers, the system was opened to the public, roughly the same time as The Source.

H&R Block bought the company in 1980 and began to advertise the service aggressively. CompuServe dominated the industry during the 1980s, buying their competitor The Source. One popular use of CompuServe during the 1980s was file exchange, particularly pictures. In 1985, it hosted one of the earliest online comics, Witches and Stitches. CompuServe introduced a simple black-and-white image format known as RLE (run-length encoding) to standardize the images so they could be shared among different types of microcomputers. With the introduction of more powerful machines enabling display of color, CompuServe introduced the much more capable Graphics Interchange Format (GIF), invented by Steve Wilhite. GIF later became the most common format for 8-bit images transmitted by Internet during the early and mid-1990s.

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LINKED FROM (PARENTS)
← CompuServe
LINKS TO (CHILDREN)
Xterm → X Window System → Windows Terminal → Windows 10 → Windows 11 → Application software → Emulator → Computer terminal → Command-line interface → Text terminal → Graphical user interface → Text user interface → Telnet → Secure Shell → Dial-up → Serial port → Unix-like →