# aria2c > Fast download utility. > Supports HTTP(S), FTP, SFTP, BitTorrent, and Metalink. > More information: . - Download a specific URI to a file: `aria2c "{{url}}"` - Download a file from a URI with a specific output name: `aria2c --out={{path/to/file}} "{{url}}"` - Download multiple different files in parallel: `aria2c --force-sequential {{false}} "{{url1 url2 ...}}"` - Download the same file from different mirrors and verify the checksum of the downloaded file: `aria2c --checksum={{sha-256}}={{hash}} "{{url1}}" "{{url2}}" "{{urlN}}"` - Download the URIs listed in a file with a specific number of parallel downloads: `aria2c --input-file={{path/to/file}} --max-concurrent-downloads={{number_of_downloads}}` - Download with multiple connections: `aria2c --split={{number_of_connections}} "{{url}}"` - FTP download with username and password: `aria2c --ftp-user={{username}} --ftp-passwd={{password}} "{{url}}"` - Limit download speed in bytes/s: `aria2c --max-download-limit={{speed}} "{{url}}"`