u Torrent

Used for downloading files P2P.

Peer to Peer.

It is safe, unless you download Black Marked pirated torrents.

You could read more here.
BitTorrent (protocol) - Wikipedia, the free encyclopedia

Its used for downloading files P2P. You have to download the torrent which is really small in size like in KBs and then put it in this software and it will download the whole file.

Utorrent is best in its category so there are hardly any disadvantages.
Yes its recommended for safe and routine usage unless you download infected torrents and download them in your PC. Then also its not utorrent's fault. You can say that in very simple words that its a download manager for torrents.

Its safe as long as you dont get infected files from shady websites.

Have a look at this thread, it will give you a lot of idea on the working of uTorrent

*www.thinkdigit.com/forum/software-q/138149-utorrent-question.html

Honestly it is widely used to DL pirated material. Since most of the pirated stuff is laden with malware/viuses they are most likely going to infect your PC. So be careful and wise.

I hope you have gone through the links above already.

Whats its use?

What are advantage and disadvantages?

Is it recommended for routine use?/safe?