GRUB for DOS
GRUB for DOS provides you with a boot manager that sanctions you to boot from sundry operating systems every single time you power your computer on.
For starters, boot managers resolve the quandary that many users interfere with whenever they optate to install different OSes on their PC. For instance, one may want to have Windows, a few Linux distributions and even a Mac OS X deployed on the same system. Without a boot manager, the boot sequence culls the same OS perpetually again and boots to it.
Thus, a boot manager is a must for any homogeneous situation. Normally, a boot manager sanctions for every operating system to be installed to a separate partition, thus circumscribing the chances of potential conflicts. The thing with this trend amongst advanced users is quite simple to comprehend. If you ever find yourself dying to take an incipient operating system for a test run without consummately switching to it, then you can install it alongside the current OSes on the computer.
Therefore, you don’t have to install it over the one you are already running then reinstalling the old one if you don’t find it any reason to keep the incipient one. Other than this, there are several other reasons to utilize boot managers and, implicitly, multiple operating systems. One of them can refer to developing and testing applications.
To sum it all up, GRUB for DOS is a pretty nifty application that silently sits in the first primary partition of your system takes up little space and additionally packs several themes for you to cull the right one from. This way, you ascertain you are not interfering with the Windows MBR code and that your partitions do not commix and engender a brobdingnagian headache.