How to open .GNUMAKEFILE file extension?

If you cannot open a new file that has been saved in the .GNUMAKEFILE format you need to download the appropriate software. The manufacturer of .GNUMAKEFILE files is GNU; .GNUMAKEFILE files belong to the Developer Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .GNUMAKEFILE files. Activities performed in the order described should solve the problems with all the files in the .GNUMAKEFILE format.

• What is .GNUMAKEFILE file?
• How to open .GNUMAKEFILE file?
• What is .GNUMAKEFILE file?