Linux

You are removing it correctly. When you are there press 4 to display what is left. then go back and select 3 and select the correct description. You may have to try them all one by one..

If you are going to install windows when you get to the part that asks you to select the partition you wanna format delete the one there first then go back and create the new partition.

Use the CD you used to install Linux and use the distribution's
partition management tool to delete the partitions. Once you
have removed the partitions from the installer and it's been
written to the disk (typically the next step is package selection,
but it should probably complain that there are no partitions to
mount), you can reboot the computer and put in your win98
startup disk and the partitions should no longer be there.

You'll also want to use "fdisk c: /mbr" (I believe) to wipe out the
MBR of the primary drive because most distributions install the
bootloader into the MBR. Without doing that, you may not be
able to get win98 to boot, regardless of whether you
successfully installed it or not.

Try Tom's Root Boot Kit (tomsrbrt) - http://www.toms.net/rb/. With this tool, you can
remove the Linux partitions.