-oN <logfilename>
This logs the results of your scans in a normal human readable
form into the file you specify as an argument.
-oG <logfilename>
This logs the results of your scans in a grepable form into the
file you specify as an argument. This simple format provides
all the information on one line (so you can easily grep for port
or OS information and see all the IPs.
-oS <logfilename>
thIs l0gz th3 r3suLtS of YouR ScanZ iN a s|<ipT kiDd|3 f0rM iNto
THe fiL3 U sPecfy 4s an arGuMEnT! U kAn gIv3 the 4rgument "-"
(wItHOUt qUOteZ) to sh00t output iNT0 stDouT!@!!