We’ll show you 5 basic cURL command examples, and explain them in detail. cURL is a very useful command line tool used to transfer data from or to a server. cURL supports various protocols, such as FILE, HTTP, HTTPS, IMAP, IMAPS, LDAP, DICT, LDAPS, TELNET, FTP, FTPS, GOPHER, RTMP, RTSP, SCP, SFTP, POP3, POP3S, SMB, SMBS, SMTP, SMTPS, and TFTP. If you’d like to find out more about cURL itself, check out our article: What is cURL?