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7 months agoecho is a program, but some shells like Bash and zsh also have a built-in echo. You can run type echo to verify that.


echo is a program, but some shells like Bash and zsh also have a built-in echo. You can run type echo to verify that.
There are also some SAT receivers that run Linux, see e.g. https://www.opena.tv/app.php/atv_images