Virtual consoles in RHEL4/RHEL 5

There are Five virtual consoles in Redhat enterprise Linux servers.
There are certain key combinations to be used to access the virtual console,it helps alot for troubleshooting machines.
The Key Combinations are as below:
ALT-F1 : to access installer in text mode.
ALT-F2: to access bash shell .
ALT-F3 to view log of installer.
ALT-F4: to view log of kernel messages.
ALT-F5 stdout of mke2fs and grub.
ALT-F7 : access installer in Graphical mode.