Need to install OSX leapord from terminal

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Can someone help me to learn the commands I need to type in at the terminal in order to install OSX from the terminal. My PowerMac G4 will not boot to the DVD install disk by pressing the "C" key at boot however I am able to boot to the firmware and am able to type in commands at the promt. I want to tell to system to boot to the install DVD. I tried changing the DVD drive out but it made no difference. The Drive does not seem to be the problem. I'm replacing the hard drive with a new one and the old hard drive and original keyboard are both missing. I read somewhere that all the mac keyboards are not compatible which may explain why holding the C key does not work.
 

pigoo3

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Your Mac's Specs
2017 15" MBP, 16gig ram, 1TB SSD, OS 10.15
One of the minimum requirements to install Leopard…is a cpu with a minimum speed of 867mhz. If your Powermac G4 does not meet this requirement…then Leopard will not install from the install disk.

- Nick
 
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Your Mac's Specs
Silver M1 iMac 512/16/8/8 macOS 11.6
And I trust this is a black retail install DVD and not a silver/gray model specific disc?
 
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And "boot to the firmware" is not Terminal. I don't think you can do what you want from there.
 
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I think I'll try to find the correct mac keyboard that it came with since no one seems to think there is a way to install by typing commands at the firmware prompt and also give up on installing Leopard. Is there some reason Linux would not run on a G4?
 
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late 2012 mini w/SSD
Is there some reason Linux would not run on a G4?

I have linux running on a MDD G4. Because of graphics card drivers, the only version I could get to work is Debian 6.0.9.
And there's no Flash player or many html5 codecs to allow watching video. But otherwise a good linux learning tool.
 

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