"Linux" Grub detailed

Parameter interpretation

1. default=0# default after adding a number N, indicating n+1 "title" operating system, 0 represents the first "title" of the operating system, and so on. 2. timeout=0# timeout Indicates the default wait time, which is set to 0 to indicate that the system will automatically load the default operating system after booting. 3. splashimage= (hd0,3)/boot/grub/splash.xpm.gz# Specifies the path to the screen image file to use when Grub boots. 4. hiddenmenu# Hide menu option 5. Title Red Hat Enterprise Linux (2.6.32-220.e16.i686) # Title defines the name of the Start menu item, and the string following the title is the option displayed on the menu item. 6. Root (hd,0) # Sets the root partition of grub, which is the partition or boot folder that corresponds to/boot. 7. kernel/vmkinuz-2.6.32-220.e16.i686 ro root=uuid=d67e208c-2791-4692-a615-c4e96b6ae355 Rd_NO ... rd_NO_DM# Specifies the kernel file (vmkinuz-2.6.32-220.e16.i686) and the root device (root=uuid=d67e208c-2791-4692-a615-c4e96b6ae355) to be mounted, RO is the meaning of readonly. 8.initrd/initramfs-2.6.32-220.e16.i686.img# specifies that the memory image disk is initialized.

"Linux" Grub detailed