We begin with the title. This means that the next command, chainloader, is executed without the target partition specified as the target partition is the same, now. The second entry is even simpler. We name a Linux, we call its partition and we boot the kernel.
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Because this file is plain-text, you can just cat this file. But it is strongly recommended not to modify this file directly, because GRUB may fail in saving a default entry in this file, if you change this file in an unintended manner. To enable the menu, you need a configuration file, menu. The file first contains some general settings, the menu interface related options. You can put these commands see Menu-specific commands before any of the items starting with title Sample boot menu configuration file As you may have guessed, these lines are comments.
By default, boot the first entry. Boot automatically after 30 secs. Fallback to the second entry. Note that the complete descriptions of these commands, which are menu interface specific, can be found in Menu-specific commands. Other descriptions can be found in Commands. Now, on to the actual OS definitions. You will see that each entry begins with a special command, title see title , and the action is described after it. Note that there is no command boot see boot at the end of each item.
That is because GRUB automatically executes boot if it loads other commands successfully. Since title displays the argument as is, you can write basically anything there.
It also contains a pause line see pause , which will cause GRUB to display a prompt and delay, before actually executing the rest of the commands and booting. Change the colors. This command is somewhat special, because it can be used both in the command-line and in the menu. GRUB has several such commands, see General commands. We hope that you now understand how to use the basic features of GRUB. To learn more about GRUB, see the following chapters. To use the network support, you need to enable at least one network driver in the GRUB build process.
GNU GRUB Manual 2.04
Because this file is plain-text, you can just cat this file. But it is strongly recommended not to modify this file directly, because GRUB may fail in saving a default entry in this file, if you change this file in an unintended manner. To enable the menu, you need a configuration file, menu. The file first contains some general settings, the menu interface related options.
GNU GRUB Manual 0.97
This command is only available if GRUB is compiled with netboot support. The current version is 2. Various options may be given to knetbsd. The return value is 0 unless n is not greater than or equal to 1. In addition, a terminal emulator is also required, such as minicom.
GNU GRUB MANUAL 0.97 PDF