Note: There's also another similar thread
here that's worth reading...
The Graphics Menu for DOS
(yes, that's it's full name)
A friend in HS picked it up from Walmart off of one of those registered shareware endcaps that they used to have in the early 90's, selling the Commander Keens, One Must Fall, Jill of the Jungle, etc.
GM was an awesome GUI. Very Windows-like. Full custom menu support, icon-driven (import/edit your own ICO files or use the ones included w/ the system), password-protection on specific icons, pages, or the entire system. Mouse support, everything. I probably should make a screen shot - Quick Menu II was the closest thing I ever found to GM, but it paled in comparison. I used to have about 12 menu pages - one for each family member, a utilities page, several game pages (of which I locked the admin portions of the GM, and locked out the games I had purchased to keep my brother from playing them, as he was fond of refusing to help me purchase games, but quite fond of playing them after I'd purchased them). You could create icons that were shortcut applications, or that pointed to other menu pages. It was quite, quite useful.
The back-end was essentially a batch file, but GM processed these on the fly, creating the batch file and executing it as soon as one clicked on the associated icon - these were not permanently littering your hard drive, however - which was nice, given how much space you can lose with a FAT file system on smaller hard drives.
For all that it did, it's memory footprint wasn't really larger than the competition, either - about 17kb, IIRC - but when things got really tight with the conventional memory, I did finally switch to using HD Menu 4, as it's footprint was a third of that. (it wasn't a gui, much closer to DA or X-Tree in look and function)