curl

Download a file (wget replacement)

curl -OL http://example.com/foo.tgz

View the HTML Header

curl -IsS http://s2p.de/Sysadmin/WebHome

Check if apache can gzip content (deflate)

curl -IsS -H 'Accept-Encoding: gzip,deflate' http://s2p.de/Sysadmin/WebHome