On Sat, 27 Feb 2016 19:38, H <agents at ...> wrote: > It turns out my markdown files - extension .md - are of the "Genesis ROM" file > type in Centos 6. Googling did not turn up any obvious places to change this > in Gnome - neither in my local directory or in /etc/gnome. > > Where would I be able to change this default file type for files with the > extension .md? I have already changed the default application to geany (with > the markdown extension.) > > Thank you. have a look at these: /etc/mime.types (file) /usr/share/mime/ (dirs) /usr/share/mimelnk/ (dirs) /usr/share/mime-info (dir) grep for '\.md' and/or for 'Genesis ROM' in there. Just adding your own line to /etc/mime.types may look nice, but is possibly not what you want, more likely a new entry in a file or directory under ~/.local/share/mime/ Have a nice weekend - Yamaban.