Only one partition is necessary to install Red Hat Enterprise Linux. If no other partitions are present, the single partition usually contains the entire / system hierarchy. As for the file system type, Red Hat Enterprise Linux only supports ext3 and ext4 by default, but support for additional file systems can be added by recompiling the kernel.
Click the install as partition when installing Ubuntu.
you can partition the drive.. to use both OS
Different installers have slightly different ways of doing things. The basic idea is to specify a partition as the "mount point" for / . That will create the system on that partition.
the sign for root partition in linux is : /
82 => Linux swap / Solaris 83 => Linux ext2 & ext3 85 => Linux Extended partition
I suggest installing Windows, and then Linux (preferably on different physical hard drives). When Windows is installed it tends to overwrite the boot partition, making it difficult to boot linux afterwards.
Most Linux OS's walk you through dual booting. Choose your prefered Linux OS and burn it to a disc and run it. You could also partition your hard drive from the XP side and create a space for your Linux OS to run in. If you are new to Linux, it is recomended to run the OS without actually installing it, that way you can get the feel of Linux without completely installing it.
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Linux will not delete a partition unless you tell it to. If you have accidentally deleted a partition, but have not written to the disk, you may be able to restore most or all of the data that was on it. The program "testdisk", found on many Linux LiveCDs and partition editors, can restore the deleted partition flags.
Linux swap partition has the code 82 (hex). A swap partition must be formatted with mkswap before first use. You can use swapon and swapoff utilities to enable/disable swap
You can install Puppy linux by typing "install" when it asks how it should be booted. from there you have options from installing it to LiveUSB, HDD, and many more options. Note: if you choose to install Puppy linux on Compact Flash, make sure a Partition has been created.
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