Install boot to the partition's root directory

[nmano]

can you explan for how to boot my system

 

i am using

 

usb disk for boot loder disk name disk5s1

 

windows xp disk4s1

 

mac osx 10.5.6 disk1s1

 

snowleopard disk2s2

 

so how to write teminal bash ple give me easy exple