How to install linux os in computer!?

Hi, It can be easily installed with XP on one partition. It would not harm other partitions and data therein or other NTFS partitions. First take an empty partition for Linux. Empty means no data should be there else it would be erased during installation. Put the Bootable CD and restart computer. Computer would try to boot from CD. Because I use ubuntu (with XP on other partition) so I am writing about ubuntu. After some time a screen would come up with options. Select the option to install. The a series of 7 screens would come. It asks about language, time zone and keyboard setting etc. The a screen comes for partitioning the disk. It has 3 options. Select the last one -the advance option. The last option allows you to design the partitions yourself. First option uses entire disk to install linux. So first option would erase XP and all data. Be careful in selecting the options. Because you want a dual boot system so do not go for the first option. Now with the third option (to design partitions yourself) go to next screen. Screen would show partition name like sda1,sda3 etc. So if the partition name, you want to install linux on, is sda6 then make 3 partitions one for root (/) second for Boot and third for Home and mount these partitions on /,Boot and Home respectively and the last swap partition. This way the partition sda6 would be broken in 4 partitions with name sda7 or sda8 etc. You decide the size of the individual partitions considering the available space for linux. Before proceeding make double sure that you have not touched the partition of Windows-XP and other NTFS partitions (if any). Else it would delete every thing thereon. Then go ahead.