http://sourceforge.n...bootinfoscript/boot_info_script is a bash script which searches all hard drives attached to the computer for information related to booting and displays it in a convenient format. Its primary use is for troubleshooting booting problems.
An example RESULT.txt file from: http://ubuntuforums....d.php?t=1137710
============================= Boot Info Summary: ============================== => Grub0.97 is installed in the MBR of /dev/sda and looks on the same drive in partition #3 for /grub/stage2 and /grub/menu.lst. => No boot loader? is installed in the MBR of /dev/sdbsda1: _________________________________________________________________________ File system: ntfs Boot sector type: Windows Vista Boot sector info: According to the info in the boot sector, sda1 starts at sector 2048. But according to the info from fdisk, sda1 starts at sector 63. Operating System: Boot files/dirs: /bootmgr /BOOTMGR /boot/bcd /BOOT/bcd /Boot/bcd /boot/BCD /BOOT/BCD /Boot/BCDsda2: _________________________________________________________________________ File system: ntfs Boot sector type: Windows Vista Boot sector info: According to the info in the boot sector, sda2 starts at sector 13942784. But according to the info from fdisk, sda2 starts at sector 13940640. Operating System: Windows Vista Boot files/dirs: /bootmgr /Boot/bcd /Boot/BCD /Windows/System32/winload.exe /Windows/System32/Winload.exesda3: _________________________________________________________________________ File system: ext3 Boot sector type: - Boot sector info: Operating System: Boot files/dirs: /grub/menu.lstsda4: _________________________________________________________________________ File system: Extended Partition Boot sector type: - Boot sector info: sda5: _________________________________________________________________________ File system: swap Boot sector type: - Boot sector info: sda6: _________________________________________________________________________ File system: ext3 Boot sector type: - Boot sector info: Operating System: Debian GNU/Linux 5.0 Boot files/dirs: /boot/grub/menu.lst /etc/fstabsda7: _________________________________________________________________________ File system: vfat Boot sector type: Vista: Fat 32 Boot sector info: No errors found in the Boot Parameter Block. Operating System: Boot files/dirs: sdb1: _________________________________________________________________________ File system: vfat Boot sector type: Vista: Fat 32 Boot sector info: No errors found in the Boot Parameter Block. Operating System: Boot files/dirs: =========================== Drive/Partition Info: =============================Drive: sda ___________________ _____________________________________________________Disk /dev/sda: 160.0 GB, 160041885696 bytes240 heads, 63 sectors/track, 20673 cylinders, total 312581808 sectorsUnits = sectors of 1 * 512 = 512 bytesDisk identifier: 0x9455d63aPartition Boot Start End Size Id System/dev/sda1 63 13,940,639 13,940,577 27 Hidden HPFS/NTFS/dev/sda2 * 13,940,640 175,694,399 161,753,760 7 HPFS/NTFS/dev/sda3 175,694,400 175,769,999 75,600 83 Linux/dev/sda4 175,770,000 312,605,999 136,836,000 f W95 Ext d (LBA)/dev/sda5 175,785,120 179,686,079 3,900,960 82 Linux swap / Solaris/dev/sda6 179,686,143 271,842,479 92,156,337 83 Linux/dev/sda7 271,842,543 312,575,759 40,733,217 b W95 FAT32/dev/sda4 ends after the last sector of /dev/sdaDrive: sdb ___________________ _____________________________________________________Disk /dev/sdb: 8019 MB, 8019509248 bytes5 heads, 32 sectors/track, 97894 cylinders, total 15663104 sectorsUnits = sectors of 1 * 512 = 512 bytesDisk identifier: 0xf244be00Partition Boot Start End Size Id System/dev/sdb1 8,064 15,663,103 15,655,040 c W95 FAT32 (LBA)blkid -c /dev/null: ____________________________________________________________/dev/sda1: UUID="2A9C301D9C2FE1D5" LABEL="ServiceV002" TYPE="ntfs" /dev/sda2: UUID="C63E346A3E345621" LABEL="Windows System" TYPE="ntfs" /dev/sda3: UUID="ee46df09-e0d2-4ec0-ba0b-e312a5fc4df2" TYPE="ext3" /dev/sda5: TYPE="swap" /dev/sda6: LABEL="Debian Ext3" UUID="bbafb375-23dc-4b14-a80a-ce25db2f9c8d" TYPE="ext3" /dev/sda7: LABEL="OS SHARE" UUID="FEB3-0857" TYPE="vfat" /dev/sdb1: LABEL="PATRIOT" UUID="F416-CACF" TYPE="vfat" =============================== "mount" output: ===============================/dev/sda6 on / type ext3 (rw,errors=remount-ro)tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)proc on /proc type proc (rw,noexec,nosuid,nodev)sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)procbususb on /proc/bus/usb type usbfs (rw)udev on /dev type tmpfs (rw,mode=0755)tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)/dev/sda3 on /boot type ext3 (rw)nfsd on /proc/fs/nfsd type nfsd (rw)/dev/sdb1 on /media/PATRIOT type vfat (rw,nosuid,nodev,uhelper=hal,shortname=lower,uid=1000)============================= sda3/grub/menu.lst: =============================# menu.lst - See: grub(8), info grub, update-grub(8)# grub-install(8), grub-floppy(8),# grub-md5-crypt, /usr/share/doc/grub# and /usr/share/doc/grub-legacy-doc/.## default num# Set the default entry to the entry number NUM. Numbering starts from 0, and# the entry number 0 is the default if the command is not used.## You can specify 'saved' instead of a number. In this case, the default entry# is the entry saved with the command 'savedefault'.# WARNING: If you are using dmraid do not change this entry to 'saved' or your# array will desync and will not let you boot your system.default 0## timeout sec# Set a timeout, in SEC seconds, before automatically booting the default entry# (normally the first entry defined).timeout 15# Pretty colourscolor cyan/blue white/blue## password ['--md5'] passwd# If used in the first section of a menu file, disable all interactive editing# control (menu entry editor and command-line) and entries protected by the# command 'lock'# e.g. password topsecret# password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/# password topsecret## examples## title Windows 95/98/NT/2000# root (hd0,0)# makeactive# chainloader +1## title Linux# root (hd0,1)# kernel /vmlinuz root=/dev/hda2 ro### Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST### BEGIN AUTOMAGIC KERNELS LIST## lines between the AUTOMAGIC KERNELS LIST markers will be modified## by the debian update-grub script except for the default options below## DO NOT UNCOMMENT THEM, Just edit them to your needs## ## Start Default Options #### default kernel options## default kernel options for automagic boot options## If you want special options for specific kernels use kopt_x_y_z## where x.y.z is kernel version. Minor versions can be omitted.## e.g. kopt=root=/dev/hda1 ro## kopt_2_6_8=root=/dev/hdc1 ro## kopt_2_6_8_2_686=root=/dev/hdc2 ro# kopt=root=/dev/sda6 ro## default grub root device## e.g. groot=(hd0,0)# groot=(hd0,2)## should update-grub create alternative automagic boot options## e.g. alternative=true## alternative=false# alternative=true## should update-grub lock alternative automagic boot options## e.g. lockalternative=true## lockalternative=false# lockalternative=false## additional options to use with the default boot option, but not with the## alternatives## e.g. defoptions=vga=791 resume=/dev/hda5# defoptions=## should update-grub lock old automagic boot options## e.g. lockold=false## lockold=true# lockold=false## Xen hypervisor options to use with the default Xen boot option# xenhopt=## Xen Linux kernel options to use with the default Xen boot option# xenkopt=console=tty0## altoption boot targets option## multiple altoptions lines are allowed## e.g. altoptions=(extra menu suffix) extra boot options## altoptions=(single-user) single# altoptions=(single-user mode) single## controls how many kernels should be put into the menu.lst## only counts the first occurence of a kernel, not the## alternative kernel options## e.g. howmany=all## howmany=7# howmany=all## should update-grub create memtest86 boot option## e.g. memtest86=true## memtest86=false# memtest86=true## should update-grub adjust the value of the default booted system## can be true or false# updatedefaultentry=false## should update-grub add savedefault to the default options## can be true or false# savedefault=false## ## End Default Options ##title Debian GNU/Linux, kernel 2.6.26-2-amd64root (hd0,2)kernel /vmlinuz-2.6.26-2-amd64 root=/dev/sda6 ro initrd /initrd.img-2.6.26-2-amd64title Debian GNU/Linux, kernel 2.6.26-2-amd64 (single-user mode)root (hd0,2)kernel /vmlinuz-2.6.26-2-amd64 root=/dev/sda6 ro singleinitrd /initrd.img-2.6.26-2-amd64title Debian GNU/Linux, kernel 2.6.18-6-amd64root (hd0,2)kernel /vmlinuz-2.6.18-6-amd64 root=/dev/sda6 ro initrd /initrd.img-2.6.18-6-amd64title Debian GNU/Linux, kernel 2.6.18-6-amd64 (single-user mode)root (hd0,2)kernel /vmlinuz-2.6.18-6-amd64 root=/dev/sda6 ro singleinitrd /initrd.img-2.6.18-6-amd64### END DEBIAN AUTOMAGIC KERNELS LIST# This is a divider, added to separate the menu items below from the Debian# ones.title Other operating systems:root# This entry automatically added by the Debian installer for a non-linux OS# on /dev/sda1title Windows Vista/Longhorn (loader)root (hd0,0)kernel /bootmgrchainloader /bootmgr#savedefault#makeactive#chainloader +1# This entry automatically added by the Debian installer for a non-linux OS# on /dev/sda2title Windows Vista/Longhorn (loader)root (hd0,1)kernel /bootmgrchainloader /bootmgr#savedefault#makeactive#chainloader +1# Trying yet more things!title Windows Vista!find --set-root /bootmgrmakeactivekernel /bootmgrchainloader /bootmgr=================== sda3: Location of files loaded by Grub: =================== 89.9GB: grub/menu.lst 89.9GB: grub/stage2 89.9GB: initrd.img-2.6.18-6-amd64 89.9GB: initrd.img-2.6.18-6-amd64.bak 89.9GB: initrd.img-2.6.26-2-amd64 89.9GB: initrd.img-2.6.26-2-amd64.bak 89.9GB: vmlinuz-2.6.18-6-amd64 89.9GB: vmlinuz-2.6.26-2-amd64=========================== sda6/boot/grub/menu.lst: ===========================# menu.lst - See: grub(8), info grub, update-grub(8)# grub-install(8), grub-floppy(8),# grub-md5-crypt, /usr/share/doc/grub# and /usr/share/doc/grub-legacy-doc/.## default num# Set the default entry to the entry number NUM. Numbering starts from 0, and# the entry number 0 is the default if the command is not used.## You can specify 'saved' instead of a number. In this case, the default entry# is the entry saved with the command 'savedefault'.# WARNING: If you are using dmraid do not change this entry to 'saved' or your# array will desync and will not let you boot your system.default 0## timeout sec# Set a timeout, in SEC seconds, before automatically booting the default entry# (normally the first entry defined).timeout 15# Pretty colourscolor cyan/blue white/blue## password ['--md5'] passwd# If used in the first section of a menu file, disable all interactive editing# control (menu entry editor and command-line) and entries protected by the# command 'lock'# e.g. password topsecret# password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/# password topsecret## examples## title Windows 95/98/NT/2000# root (hd0,0)# makeactive# chainloader +1## title Linux# root (hd0,1)# kernel /vmlinuz root=/dev/hda2 ro### Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST### BEGIN AUTOMAGIC KERNELS LIST## lines between the AUTOMAGIC KERNELS LIST markers will be modified## by the debian update-grub script except for the default options below## DO NOT UNCOMMENT THEM, Just edit them to your needs## ## Start Default Options #### default kernel options## default kernel options for automagic boot options## If you want special options for specific kernels use kopt_x_y_z## where x.y.z is kernel version. Minor versions can be omitted.## e.g. kopt=root=/dev/hda1 ro## kopt_2_6_8=root=/dev/hdc1 ro## kopt_2_6_8_2_686=root=/dev/hdc2 ro# kopt=root=/dev/sda6 ro## default grub root device## e.g. groot=(hd0,0)# groot=(hd0,2)## should update-grub create alternative automagic boot options## e.g. alternative=true## alternative=false# alternative=true## should update-grub lock alternative automagic boot options## e.g. lockalternative=true## lockalternative=false# lockalternative=false## additional options to use with the default boot option, but not with the## alternatives## e.g. defoptions=vga=791 resume=/dev/hda5# defoptions=## should update-grub lock old automagic boot options## e.g. lockold=false## lockold=true# lockold=false## Xen hypervisor options to use with the default Xen boot option# xenhopt=## Xen Linux kernel options to use with the default Xen boot option# xenkopt=console=tty0## altoption boot targets option## multiple altoptions lines are allowed## e.g. altoptions=(extra menu suffix) extra boot options## altoptions=(single-user) single# altoptions=(single-user mode) single## controls how many kernels should be put into the menu.lst## only counts the first occurence of a kernel, not the## alternative kernel options## e.g. howmany=all## howmany=7# howmany=all## should update-grub create memtest86 boot option## e.g. memtest86=true## memtest86=false# memtest86=true## should update-grub adjust the value of the default booted system## can be true or false# updatedefaultentry=false## should update-grub add savedefault to the default options## can be true or false# savedefault=false## ## End Default Options ##title Debian GNU/Linux, kernel 2.6.26-2-amd64root (hd0,2)kernel /vmlinuz-2.6.26-2-amd64 root=/dev/sda6 ro initrd /initrd.img-2.6.26-2-amd64title Debian GNU/Linux, kernel 2.6.26-2-amd64 (single-user mode)root (hd0,2)kernel /vmlinuz-2.6.26-2-amd64 root=/dev/sda6 ro singleinitrd /initrd.img-2.6.26-2-amd64title Debian GNU/Linux, kernel 2.6.18-6-amd64root (hd0,2)kernel /vmlinuz-2.6.18-6-amd64 root=/dev/sda6 ro initrd /initrd.img-2.6.18-6-amd64title Debian GNU/Linux, kernel 2.6.18-6-amd64 (single-user mode)root (hd0,2)kernel /vmlinuz-2.6.18-6-amd64 root=/dev/sda6 ro singleinitrd /initrd.img-2.6.18-6-amd64### END DEBIAN AUTOMAGIC KERNELS LIST# This is a divider, added to separate the menu items below from the Debian# ones.title Other operating systems:root# This entry automatically added by the Debian installer for a non-linux OS# on /dev/sda1title Windows Vista/Longhorn (loader)root (hd0,0)kernel /bootmgrchainloader /bootmgr#savedefault#makeactive#chainloader +1# This entry automatically added by the Debian installer for a non-linux OS# on /dev/sda2title Windows Vista/Longhorn (loader)root (hd0,1)kernel /bootmgrchainloader /bootmgr#savedefault#makeactive#chainloader +1# Trying yet more things!title Windows Vista!find --set-root /bootmgrmakeactivekernel /bootmgrchainloader /bootmgr=============================== sda6/etc/fstab: ===============================# /etc/fstab: static file system information.## <file system> <mount point> <type> <options> <dump> <pass>proc /proc proc defaults 0 0/dev/sda6 / ext3 errors=remount-ro 0 1/dev/sda3 /boot ext3 defaults 0 2/dev/sda5 none swap sw 0 0/dev/hda /media/cdrom0 udf,iso9660 user,noauto 0 0=================== sda6: Location of files loaded by Grub: =================== 92.0GB: boot/grub/menu.lst 92.0GB: boot/grub/stage2 92.0GB: boot/initrd.img-2.6.18-6-amd64 92.0GB: boot/initrd.img-2.6.18-6-amd64.bak 92.0GB: boot/initrd.img-2.6.26-2-amd64 92.0GB: boot/initrd.img-2.6.26-2-amd64.bak 92.0GB: boot/vmlinuz-2.6.18-6-amd64 92.0GB: boot/vmlinuz-2.6.26-2-amd64 92.0GB: initrd.img 92.0GB: vmlinuz=======Devices which don't seem to have a corresponding hard drive==============hda =============================== StdErr Messages: ===============================umount: /tmp/BootInfo/sda7: device is busyumount: /tmp/BootInfo/sda7: device is busyIt is able to determine which MBR is installed to a certain device (by looking at the first two bytes of the hard drive to identify the boot code installed in the MBR):
- Grub
- Grub2
- Windows
- Syslinux
- Lilo
- Solaris
- Testdisk
- Gag
- Grub4Dos
- Plop
- HP/Gateway
- Acer 3
- ThinkPad
- BootIT NG
- No boot loader
- No known boot loader
============================= Boot Info Summary: ==============================
=> Gag is installed in the MBR of /dev/sda
=> Syslinux is installed in the MBR of /dev/sdb
=> Testdisk is installed in the MBR of /dev/sde