GRUB
| Acronym | Definition |
|---|---|
| GRUB | GRand Unified Bootloader (GNU) |
| GRUB | Grand Unified Bootloader |
| GRUB | Greedy Reclamation of Unused Bandwidth (algorithm) |
| GRUB | Greater Rochester Urban Bounty (New York; est. 1999) |
| GRUB | Girls Round Up Boys (sorority event) |
| GRUB | Growing Recruits for Urban Business (South Plains Food Bank; Lubbock, TX) |
| GRUB | Grass Roots Ultimate Benefit (Boulder, CO) |