= Echo (computing)
{wiki=Echo_(computing)}
In computing, "Echo" can refer to a few different concepts depending on the context. Here are the most common usages: 1. **Echo Command**: In many command-line interfaces and programming languages, the \`echo\` command is used to display a line of text or a variable value to the standard output (usually the terminal or console). For example, in Unix/Linux shell scripting, you might use \`echo "Hello, World!"\` to print that string to the screen.
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