Questions about editing non-text files.
Although Vim was made to edit text files, it is possible to edit binary
files with the option set binary or with the -b parameter. This options implies the folowing:
textwidthandwrapmarginare set to 0modelineandexpandtabare turned off- The
fileformatandfileformatsoptions won't be used - Files will be written using single line endings
For more information see :h edit-binary