如何在已经安装linux情况下安装windows

1.找到磁盘分区工具,将一个主分区磁盘格式化为windows认可的文件系统,如: ntfs.
2.安装windows,或ghost to this partition。(最好是ghost,这样不会抢linux的启动区域。那样的话就改的就是windows下的文件。
3.更改linux或windows下的grub.
以liunx(ubuntu)为例:
a. 更改"/etc/fstab"文件以挂载windows下的硬盘
(如果已经更改过磁盘,如,格式化,uuid会改变,所以直接用盘符,如/dev/sda4)

# /etc/fstab: static file system information.
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    defaults        0       0
# /dev/sda1
UUID=859e7d90-2c50-4d50-ba5e-f906500c9207 /               reiserfs notail          0       1
# /dev/sda3
UUID=2c2b11f7-c905-486d-8030-d2891e4ed786 /space          jfs     defaults         0       2
# /dev/sda4
/dev/sda4 /winxp          ntfs-3g    defaults,locale=zh_CN.utf8,user,auto,uid=1000,rw         0       2
# /dev/sda2
UUID=b83bc168-c030-4f86-8e19-4ba571cf85ae none            swap     sw              0       0
/dev/scd0       /media/cdrom0   udf,iso9660 user,noauto,exec 0       0


更改linux的grub文件,如下
路径/boot/grub/menu.lst
更改DEBIAN AUTOMAGIC KERNELS LIST代码
title		Ubuntu 7.10, kernel 2.6.22-14-generic
root		(hd0,0)
kernel		/boot/vmlinuz-2.6.22-14-generic root=UUID=859e7d90-2c50-4d50-ba5e-f906500c9207 ro quiet splash
initrd		/boot/initrd.img-2.6.22-14-generic
quiet

title		Ubuntu 7.10, kernel 2.6.22-14-generic (recovery mode)
root		(hd0,0)
kernel		/boot/vmlinuz-2.6.22-14-generic root=UUID=859e7d90-2c50-4d50-ba5e-f906500c9207 ro single
initrd		/boot/initrd.img-2.6.22-14-generic

title		Ubuntu 7.10, memtest86+
root		(hd0,0)
kernel		/boot/memtest86+.bin
quiet

title		Windows XP
root		(hd0,3)
makeactive
chainloader	+1


done!

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