how to put images at installation time???

[newbiedev1]

Hi,

I have a system with linux, now i am installing my own software in that system.
I want to display my own software logo at the time of booting, insteed of other linux codes (related all service starting informations...). But how can i do that????

also what is the use of grub file?

Can anyone help me out in this regards. Any suggestions are welcome.

Regards
New_Bie

[GNU-Fan]

Look for
boot splash linux
and
linux framebuffer device

[theNbomr]

Grub is the booloader. In order for any operating system to load, a somewhat simple & small bit of code lives on the boot tracks of the hard disk. It is a bootloader, and it knows how to proceed with launching an operating system. In the case of grub, it can load any number of OS's, including most, if not all, versions of Windows.
Other bootloaders exist, but most disk-resident bootloaders are OS-specific (Windows, in particular). One other bootloader that is frequently given as an option by Linux installation software is LILO (LInux LOader). It accomplishes most of what grub does, but in a less flexible way. It was a forerunner to grub, but most users no longer use it.
Grub is capable of loading numerous different versions of OSs, and allows the user to select one at boot time. The grub.conf (or sometimes called menu.lst) is where all of the boot-time optons are configured. OS upgrades done by automatic system upgraders usually know how to edit this file, and do so when a new OS/Kernel version is installed.
You can use options in the grub config file to specify a custom graphic at boot time. I sense that you will not be satified with this, as the grub splash screen vanishes as soon as the loaded OS starts to run. The messages to which you refer are from the OS loading all of it's component parts.
In order to display something else, you will need to do some extra work modifying the init script(s) for your OS. The detils of this will be very distro-specific.
--- rod.