ffmpeg is a command line utility that presents a API to interacting with a variety of media types/encodings in a uniform fashion.
Depending on the
ffmpeg distribiont, you may get access to utilities such as
ffprobe (which provides information on a file) and
ffplay (will play back a file). Those tools are critical.
Those tools, by default, will show all the arguments that
ffmpeg was compiled with, which can get a little verbose. If you're going to run many ffmpeg commands, I suggest you get used to passing the