Download from WEB:
$ aria2c http://example.org/mylinux.iso
Download from 2 sources:
$ aria2c http://a/f.iso ftp://b/f.iso
Download using 2 connections per host:
$ aria2c -x2 http://a/f.iso
BitTorrent:
$ aria2c http://example.org/mylinux.torrent
BitTorrent Magnet URI:
$ aria2c http://example.org/mylinux.torrent
Metalink:
$ aria2c http://example.org/mylinux.metalink
Download URIs found in text file:
$ aria2c -i uris.txt
References :
https://aria2.github.io/