[ Thanks to Dmitri
Popov for this link. ]
“Need to convert multiple .NEF files to the JPEG
format? You can easily do this from the command line using the
UFRaw tool. First off, install the UFRaw package on your system.
UFRaw is available in the software repositories of many popular
Linux distributions, so you can install it using your distro’s
package manager. On Ubuntu, use the following
command:”