I just need to check some redhat machine version - 6and I notice that grub.conf inst existshow this Linux machine know with which kernel to start? ( in case grub.conf not exists )is it safe to do a reboot to the linux in that case ?08:16:41 root@test:~ # more /etc/grub.conf/etc/grub.conf: No such file or directory08:16:47 root@test:~ # rpm -q kernelkernel-2.6.32-642.el6.x86_64kernel-2.6.32-573.12.1.el6.x86_6408:16:55 root@test:~ # ls -ltr /etc/grub.conflrwxrwxrwx. 1 root root 22 Jan  4 16:46 /etc/grub.conf -> ../boot/grub/grub.conf08:17:22 root@test:~ #
linux + grub.conf not exist
linux;rhel;kernel;grub
Does cat /boot/grub/grub.conf work?In those days the LILO bootloader was also a common choice to boot a UNIX machine.