How to download and play YouTube and other videos on Linux
Who would have imagined that there’s a Linux tool available for downloading YouTube videos? Well, there is and it works for Linux as well as for other operating systems. So, if you need to watch some of the available videos even when your internet connection is flaky or you need to be offline for a while, this tool can be especially handy.
The tool for downloading videos is called youtube-dl. (The “dl” portion undoubtedly means “download”.) It’s very easy to use and drops webm or mp4 files onto your system. Both formats provide compressed, high-quality video files that you can watch whenever you like.
Source:: Network World – Linux