gistfile1.txt

create dummy images
curl -L "http://dummyimage.com/600x400/000/fff&text=DummyImage%20[01-10]" -o image_#1.png

get page headers
curl --head http://google.com

send parameters to page
curl.exe -L -G "http://yoururl.com" --data-urlencode "text=DESIGN6 daily backup started"

send formdata & files to page
curl -F [email protected] -F text="BINGO BONGO" "https://yoururl.com"

download a file
curl -L -O http:/test.exe

download facebook profile images
curl -L "https://graph.facebook.com/[1-100000000]/picture?width=160&height=160" -o "facebook_user_#1.jpg"