cURL – Client to fetch

cURL – Client to fetch URLs

is the tool for getting files with URL syntax, supporting FTP://, HTTP://, HTTPS://, GOPHER://, TELNET://, DICT://, FILE:// and LDAP://. Curl supports HTTPS certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload, proxies, cookies, user password authentication and a busload of other useful tricks.