The edg-voms-proxy-destroy is intended to be used after a proxy is no longer useful, to destroy it
Options may be specified indifferently with either a "-" or "--" prefix. The options from -help to -out are present for compatibility with grid-proxy-init, and have the exact same meaning. The meaning of the other ones is the following.
-help Displays usage
-version Displays version
-debug Enables extra debug output
-q Quiet mode, minimal output
-file proxyfile The name of the file containing the proxy, in case it is in a non-standard place.
-dry Doesn't actually destroy the proxy.
-conf file Read options from file.