1.....have not lost a restore point yet
2.....have not had to hide a os yet
3.....have not installed any third party programs to hide os
[root@localhost jim]# fdisk -l
Disk /dev/hda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x8f800000
Device Boot Start End Blocks Id System
/dev/hda1 * 1 3230 25944943+ 7 HPFS/NTFS-----------XP
/dev/hda2 3231 9729 52203217+ 7 HPFS/NTFS---------WIN 7
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x8d399bc0
Device Boot Start End Blocks Id System
/dev/sda1 * 1 6566 52741363+ 83 Linux--------------------Pclos kde3.5
/dev/sda2 6567 7108 4353615 82 Linux swap / Solaris
/dev/sda3 7109 14088 56066850 83 Linux-------------------Pclos kde4.3
/dev/sda4 14089 60801 375222172+ 5 Extended
/dev/sda5 14089 27355 106567146 83 Linux-----------------mini-zen
/dev/sda6 27356 41402 112832496 7 HPFS/NTFS
/dev/sda7 41403 60801 155822436 83 Linux
Disk /dev/sdb: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x8eabea6f
Device Boot Start End Blocks Id System
/dev/sdb1 1 545 4377681 82 Linux swap / Solaris
/dev/sdb2 546 3949 27342630 83 Linux------------------Pclos kde4.3
/dev/sdb3 3950 8787 38861235 83 Linux
/dev/sdb4 8788 19457 85706775 7 HPFS/NTFS
[root@localhost jim]#