1 Long: head 2 Short: I 3 Help: Show document info only 4 Protocols: HTTP FTP FILE 5 Category: http ftp file 6 Example: -I $URL 7 --- 8 Fetch the headers only! HTTP-servers feature the command HEAD which this uses 9 to get nothing but the header of a document. When used on an FTP or FILE file, 10 curl displays the file size and last modification time only. 11