Curl

Various

• curl -C - -O url = resume an interrupted download of url
• xargs -n 1 curl -O < listofurls.txt = download a file list from a file, one by one
• curl -I www.url.com = get HTTP headers returning from a server
• curl --data "abc=123&def=456" http://url.com/info.php = make a POST request by sending the abc and def parameters with 123 and 456 values to the server
• curl --user-agent "User Agent string" = specify an User Agent string
• curl --cookie-jar cookies.txt http://www.url.com = save cookies received from url in cookies.txt
• curl --cookie cookies.txt http://www.url.com = send stored cookies in cookies.txt to url
• curl --resolve www.url.com:80:8.8.8.8 http://www.url.com = use a different DNS server, in this example 8.8.8.8 on port 80, to resolve url