[LinuxVadaPav] boot process in grub

[navin.karmarkar]

hi navin here ... plz tell me in boot process in lilo we have 4 files 1 ) map 2 
) message 3 ) initrd 4 )boot.b , but now in grub concept there is no such file 
called boot.b but there are 2 files in /boot called stage1 and stage 2 are they 
replacement for boot.b ?