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## 16 The list of available commands

In this chapter, we list all commands that are available in GRUB.

Commands belong to different groups. A few can only be used in the global section of the configuration file (or “menu”); most of them can be entered on the command-line and can be used either anywhere in the menu or specifically in the menu entries.

In rescue mode, only the `insmod` (see insmod), `ls` (see ls), `set` (see set), and `unset` (see unset) commands are normally available. If you end up in rescue mode and do not know what to do, then see GRUB only offers a rescue shell.