GNU GRUB
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GNU GRUB


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DEFINITION - GNU GRUB (or just GRUB) is a boot loader package that supports multiple operating systems on a computer. During boot-up, the user can select the operating system to run. GNU GRUB is based on an earlier multiboot package, GRUB (GRand Unified Bootloader). GRUB is most often used on Unix-like systems, including GNU, Linux and Solaris.

Some features of GRUB:

  • It can support an unlimited number of boot entries.
  • GRUB is dynamically configurable, which means that users can make changes during boot-up.
  • GRUB can install to and run from any device, including hard drives, floppy disks, DVDs, CD-ROMs and USB drives.
  • It can decompress operating systems before launching them.
  • It can load operating systems from various locations, including networks.
  • It doesn't need to be re-written each time a configuration file is changed.
  • There are implementations that support Windows and DOS.
  • The command interface is interactive.

Learn more about Linux interoperability, integration
Unix-to-Linux learning guide: Whether you're boning up on Unix commands, migrating from Unix to Linux, or trying to get them to work together, you'll find helpful resources in our Unix learning guide.
Linux administration tips for Red Hat, SUSE, networks, security: Here's your guide to getting started on Linux administration. This collection of tutorials will help you to master security, interoperability with Unix and Windows, Samba and more.
Linux, Windows and Unix interoperability: News and tips: Get the latest interoperability, news and expert advice on mixing flavors of Linux with Windows or Unix.
Linux and Unix: Integration and interoperability tips: Is your company using both Unix and Linux, or is it joining those who are switching to Linux? Either way, this Linux/Unix links library has tips for you.
Linux and Unix: Integration and interoperability tips: Is your company using both Unix and Linux, or is it joining those who are switching to Linux? Either way, this Linux and Unix links library has tips for you.

LAST UPDATED: 04 May 2008

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More resources from around the web:
- The GNU project offers more information about GNU GRUB.
- Nix Craft offers 'GNU Grub – A beginners Guide and how to collection.'
- The GNU project Web site also provides a GNU GRUB manual.





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