On 25/04/2018 16:07, Fred Smith wrote: > On Wed, Apr 25, 2018 at 09:30:46AM -0500, Bill Gee wrote: >> On Wednesday, April 25, 2018 9:10:34 AM CDT Michael Hennebry wrote: >>> My Centos 6 wodim tell me that it can only format DVD+RW. >>> I have DVD-RWs. >>> Even when I format a DVD-RW on my standalone DVD recorder, >>> wodim still will not write to it. >>> Is there a centos-6-useable mechanism >>> for formatting and writing DVD-RWs? >> According to the man page for wodim - formatting is not supported for DVD-RW. >> You might take a look at growisofs and dvd+rw-format. The latter command, in >> spite of the name, can deal with DVD-RW media. >> >> It is possible that the optical drive in your computer does not support DVD-RW >> media. The only way I know of to find what media are supported is to use K3B. >> If you go to Settings - Devices, you should get a list of readable and >> writable media for each device. >> >> Bill Gee > potentially stupid question here: Why would one format a cd/dvd? > I've never had to do that, I just write to 'em. > > for what purpose or need would one format one? > In order to delete something that you had previously written to it?