Command option Sample:wget --certificate

Search command sample in the internet.It is the result.

wget --certificate user.pem --private-key user.pem http://esg-datanode.jpl.nasa.gov/thredds/dodsC/esg_dataroot/obs4MIPs/observations/atmos/ta/mon/grid/NASA-JPL/AIRS/v20110608/ta_AIRS_L3_RetStd-v5_200209-201105.nc.dods    ncl-talk 2011 archive: Re: support for authentication using Open : http://www.ncl.ucar.edu/Support/talk_archives/2011/1697.html