If your virtual machine emulates a UEFI BIOS, type cat $/$boot$/$efi$/$EFI$/$fedora$/$grub$.$cfg and press Enter. Note that the $$set prefix$$ and $$configfile$$ lines in this file refer to the contents of the $/$boot$/$grub$2/$grub$.$cfg file.

$3$

At the command prompt, type less $/$boot$/$grub$2/$grub$.$cfg and press Enter. Which line sets the default timeout for user interaction at the boot screen? Are there any menuentry paragraphs? Why? Press q when finished.

$4$

At the command prompt, type ls $-$l $/$boot$/$loader$/$entries and press Enter. What do these files represent? Next, type cat $/$boot$/$loader$/$entries$/*64.$conf and press Enter. Note the lines that load the Linux kernel and initramfs.

$5$

At the command prompt, type vi $/$etc$/$default$/$grub and press Enter to edit the GRUB$2$ configuration file. Change the value of GRUB$\_$TIMEOUT to $30.$ Save your changes and quit the vi editor.

$6$

At the command prompt, type grub$2-$mkconfig $$o $/$boot$/$grub$2/$grub$.$cfg and press Enter to rebuild the GRUB$2$ configuration file with your change.

$7$

Reboot your system by typing reboot and pressing Enter. At the GRUB$2$ boot screen, view the available options. How long do you have to interact with the GRUB$2$ boot loader after POST before the default operating system is booted? Next, press c to obtain a command prompt.