GIMP image conversion from Nikon NEF in Windows and Ubuntu

Windows
GIMP - Batch RAW conversion in Windows.... Installed GIMP 2.8, ufraw 0.18 and here we go....

Follow http://registry.gimp.org/node/26260

E:\Personal\Photos\Unix_Outing_17022013>"E:\Programs\GIMP 2\bin\ufraw-batch.exe"
--out-type=jpg --compression=95 *.NEF

Linux - Ubuntu
$ sudo apt-get install gimp
$ sudo apt-get install ufraw
$ sudo apt-get install gimp-ufraw

ufraw-batch --out-type=jpeg  --compression=85 *.NEF

OR

ufraw-batch --lensfun=none --out-type=jpeg  --compression=85 *.NEF