A. review or print them later
On windows, it is the type command.
On linux, the cat command outputs the file.
All bytes that represent printable characters will be displayed as ASCII or even Unicode.
299,792,458 metres per second
Pentaprism is a five sided prism with two silvered surfaces giving a non-stop deviation of all rays of light through 90 degress. Used in viewfinders of single-lens reflex cameras
