GRUB2 Multiboot USB Stick

Booting SystemRescudeCd and Windows 7 Installation from a USB stick using GRUB2. Assuming that /dev/sdb1 is an NTFS formated partition mounted under /mnt/usb:

1. Copy the whole content of Windows 7 DVD directly into /mnt/usb.
2. Copy sysrcd.dat, sysrcd.md5, isolinux/initram.igz and isolinux/rescue64 from SystemRescudeCd ISO image into /mnt/usb/linux.
3. Install GRUB2 to the USB stick:

   grub-install --no-floppy --root-directory=/mnt/usb /dev/sdb
   

4. Edit /mnt/usb/boot/grub/grub.cfg, e.g.:

   set timeout=5
   set default=0
   
   menuentry "System Rescue CD 64bit" {
           linux /linux/rescue64 subdir=linux scandelay=1 docache nomodeset
           initrd /linux/initram.igz
   }
   
   menuentry "Windows 7 Installation" {
           ntldr /bootmgr
   }