Command Line? EEwwwww! Not good.
CD ejection: From desktop - drag to trash and drop or combo Apple + E. Or pin hole at last resort.
What version of OS 9 are you using? OS 9.1 may be OK, but 9.22 is a no go .
Problem with clones : Apple Statement -
Non-Apple computers with a PowerPC processor (clones) may work, but are not tested by Apple and are not supported.
LowEndMacLowEndMac may have some of the answers you seek as my knowledge of clone support is poor.
Classic Mac OS can be fun and cool as long as you don't think PC! :-P
:pint: