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H'm I never realy liked Loadlin..
but a good trip to google made me realise it's realy easy to do the same thing with loadlin..

just add init=/bin/bash rw to the linux line in your batch or...

If you use LILO as a boot amanger you can pass the line init=/bin/bash rw to your kernal image..

this starts bash (as root) before any other initialisations.. the rw is for Read and Write access...