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Echo originally started as a request-response web application framework that leveraged the Swing object model to improve the speed of application development. [1] Through the use of the Swing model, Echo was able to employ concepts such as components and event-driven programming that removed much of the pain of web application development.
The Echo Protocol is a service in the Internet Protocol Suite defined in 1983 in RFC 862 by Jon Postel.It was originally proposed as a way to test and measure an IP network.
Download QR code; Print/export ... [63] [64] [65] XHTML 2.0 was incompatible with XHTML 1.x and, therefore, ... This is a link in HTML.
Echo (one-to-all, one-to-one, or one-to-some distribution) is a group communications protocol where authenticated and encrypted information is addressed to members connected to a node.
echo began within Multics.After it was programmed in C by Doug McIlroy as a "finger exercise" and proved to be useful, it became part of Version 2 Unix. echo -n in Version 7 replaced prompt, (which behaved like echo but without terminating its output with a line delimiter).
The software is written to run on 32-bit and 64-bit versions of Microsoft Windows. Another edition of the software runs on Apple mobile devices (iPhone, iPod touch, and iPad), and is available from the Apple App Store. [4] Qtel is an opensource version of the software available in many Linux repositories. [5]
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues in search engine optimization by specifying the "canonical" or "preferred" version of a web page. It is described in RFC 6596, which went live in April 2012. [1] [2]
Most terminal emulator programs have the ability to perform echo locally (which sometimes they misname "half-duplex"): [17] In the C-Kermit terminal emulator program, local echo is controlled by the SET TERMINAL ECHO command, which can be either SET TERMINAL ECHO LOCAL (which enables local echoing within the terminal emulator program itself) or SET TERMINAL ECHO REMOTE (where disables local ...