4.2 Editing the RHEL 8 Boot Menu
Once installation of RHEL onto the disk is complete and the system has restarted, the standard RHEL boot menu will appear:
Figure 4-4
At this point, the boot menu only provides the option to boot the RHEL 8 system. Clearly an option also needs to be added so that the Windows system is still accessible. These steps will need to be taken from within the RHEL 8 system, so start the system and log in as root.
The first step is to identify the Windows boot partition on the disk drive using the fdisk command as follows:
# fdisk -l
.
.
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 1126399 1124352 549M 7 HPFS/NTFS/exFAT
/dev/sda2 1126400 53655551 52529152 25G 7 HPFS/NTFS/exFAT
/dev/sda3 53655552 55752703 2097152 1G 83 Linux
/dev/sda4 55752704 104857599 49104896 23.4G 5 Extended
/dev/sda5 55754752 104857599 49102848 23.4G 8e Linux LVM
In the...