Answer:
D.MS-DOS and UNIX
Explanation:
The oldest versions of Windows Operating Systems used MS-DOS. MS-DOS was purely command-line based OS. MS-DOS did not have GUI and users were required to learn command lines to help them navigate through, open, and manipulate files. MS-DOS is no longer used. UNIX was also a command-line based operating system when it was initially built in the 1960s. It still is but it supports both GUI and CLI. Unix, in my opinion, is hands down the best and most powerful CLI based OS to have ever been built.
Remote terminal units (RTUs) is the <span>term that describes devices that automate many industrial tasks by receiving digital commands and converting them into real-world actions such as shutting down a power grid or opening a valve in a fuel pipeline. RTUs are the essential part of an intelligent power grid, also called smart grid, but also intelligent production system.</span>
Control + P (push these buttons at the same time)
or right click and print.
if you are printing a webpage, the steps are the same.
if you are using Word, then you just need to find the File tab and print should be in the list.
The vivofit by Garmin is a fitness tracker that not only tracks distance, calories burned, and steps — it lasts on one charge for an entire year. Slap it on your wrist and never worry about charging it.