Commit...

* Split instructions for Fedora and RHEL etc. i.e. yum and dnf.
* Never use --assumeyes or -y installing packages. atom 1.12.7 shows if
  this had been done by end users it would have caused them great issue.

docs/build-instructions/linux.md

@@ -49,9 +49,13 @@ To also install the newly built application, use `--create-debian-package` or `-
   sudo update-alternatives --config gcc # choose gcc-5 from the list
   ```
 
-### Fedora / CentOS / RHEL
+### Fedora
 
-* `sudo dnf --assumeyes install make gcc gcc-c++ glibc-devel git-core libgnome-keyring-devel rpmdevtools libX11-devel libxkbfile-devel`
+* `sudo dnf install make gcc gcc-c++ glibc-devel git-core libgnome-keyring-devel rpmdevtools libX11-devel libxkbfile-devel`
+
+### RHEL / CentOS
+
+* `sudo yum install make gcc gcc-c++ glibc-devel git-core libgnome-keyring-devel rpmdevtools libX11-devel libxkbfile-devel`
 
 ### Arch