The output will be what you expect, it will echo Hello World onto the screen. You can also use echo to view the contents of a variable: As with most Linux commands, there's definitely more that we can ...

Our kids' room has its own routine. When we say, "Alexa, it's bedtime," their sound machine turns on (powered by a smart plug), their bedside lamp switches off, and their smart light strip turns on to ...

No matter how many Amazon Echo commercials you see, it takes a little time to adjust to Alexa. Putting a virtual assistant in your home signals a change in lifestyle, sort of like adopting a puppy.

Amazon has also built on this a multiple commands feature by allowing you to string two related commands into one. You can say something like, "Alexa, play folk music at volume six," or, "Alexa, add ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Since its introduction at the end of 2014, the Amazon Echo has done ...

This CNET survey found that 73% of US adults who use voice assistants still have privacy concerns with AI features, but Alexa was rated the most trusted option among them. If you own an Echo device, ...

At a basic level, parameter expansion means changing Bash syntax into a value—expanding it. For example: You can change the ...