POSIX Terminal Interface
Application Programming Interface, Single UNIX Specification, POSIX, Version 7 Unix, Terminal Emulator, Video Card
Herausgegeben: Giffard, Philippe V.
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The POSIX terminal interface is the generalized abstraction, comprising both an Application Programming Interface for programs, and a set of behavioural expectations for users of a terminal, as defined by the POSIX standard and the Single Unix Specification. It is a historical development from the terminal interfaces of BSD version 4 and Seventh Edition Unix.Unlike its mainframe and minicomputer contemporaries, the original Unix system was developed solely for dumb te...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The POSIX terminal interface is the generalized abstraction, comprising both an Application Programming Interface for programs, and a set of behavioural expectations for users of a terminal, as defined by the POSIX standard and the Single Unix Specification. It is a historical development from the terminal interfaces of BSD version 4 and Seventh Edition Unix.Unlike its mainframe and minicomputer contemporaries, the original Unix system was developed solely for dumb terminals, and that remains the case today. A terminal is a character-oriented device, comprising streams of characters received from and sent to the device. Although the streams of characters are structured, incorporating control characters, escape codes, and special characters, the I/O protocol is not structured as would be the I/O protocol of smart, or intelligent, terminals. There are no field format specifications. There's no block transmission of entire screens (input forms) of input data.
