"Fossies" - the Fresh Open Source Software Archive

Member "ms-sys-2.7.0/man/ms-sys.1" (20 Jun 2020, 8466 Bytes) of package /linux/privat/ms-sys-2.7.0.tar.gz:


Caution: As a special service "Fossies" has tried to format the requested manual source page into HTML format but links to other man pages may be missing or even erroneous. Alternatively you can here view or download the uninterpreted manual source code. A member file download can also be achieved by clicking within a package contents listing on the according byte size field. See also the last Fossies "Diffs" side-by-side code changes report for "ms-sys.1": 2.4.1_vs_2.6.0.

MS-SYS

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
NOTES
EXAMPLES
ENVIRONMENT
BUGS
AUTHOR
SEE ALSO

NAME

ms-sys − write Microsoft boot block

SYNOPSIS

ms-sys [options] [device]

DESCRIPTION

ms-sys is for writing Microsoft compatible boot records.

OPTIONS

A summary of options is included below.
−1, −−fat12

Write a FAT12 floppy boot record to device.

−2, −−fat32nt5

Write a FAT32 partition NT5.0 (NTLDR) boot record to device.

−8, −−fat32nt6

Write a FAT32 partition NT6.0 (BOOTMGR) boot record to device.

−x, −−exfatnt6

Write a EXFAT partition NT6.0 (BOOTMGR) boot record to device.

−e, −−fat32pe

Write a FAT32 partition PE boot record to device, for USB install and recovery.

−3, −−fat32

Write a FAT32 partition DOS (Win9x) boot record to device.

−4, −−fat32free

Write a FAT32 partition FreeDOS boot record to device.

−5, −−fat16free

Write a FAT16 partition FreeDOS boot record to device.

−6, −−fat16

Write a FAT16 partition DOS (Win9x) boot record to device.

−n, −−ntfs

Write a NTFS partition Windows 7 boot record to device. This functionality should be considered experimental and probably is of no practical use.

−o, −−fat16ros

Write a FAT16 partition ReactOS boot record to device.

−c, −−fat32ros

Write a FAT32 partition ReactOS boot record to device.

−q, −−fat32kos

Write a FAT32 partition KolibriOS boot record to device.

−l, −−wipelabel

Reset partition disk label in boot record.

−p, −−partition

Write partition info (hidden sectors, heads and drive id) to boot record. This might be needed on some partitions depending on which program was used to create the file system.

−H <n>, −−heads <n>

Set number of heads written with -p switch.

−O <s>, −−writeoem <s>

Write OEM ID string <s> to file system.

−S <x>, −−writewds <x>

Write Windows Disk Signature hexadecimal <x> to MBR.

−7, −−mbr7

Write a Windows 7 master boot record to device. Does not change Windows Disk Signature (bytes 01b8-01bd). This MBR will boot certain partition types beyond cylinder 1024 using LBA addressing.

−i, −−mbrvista

Write a Windows Vista master boot record to device. Does not change Windows Disk Signature (bytes 01b8-01bd). This MBR will boot certain partition types beyond cylinder 1024 using LBA addressing.

−m, −−mbr

Write a Windows 2000/XP/2003 master boot record to device. Does not change Windows Disk Signature (bytes 01b8-01bd). This MBR will boot certain partition types beyond cylinder 1024 using LBA addressing.

−9, −−mbr95b

Write a Windows 95B/98/98SE/ME master boot record to device. Does not change Windows Disk Signature (bytes 01b8-01bd) or boot drive and time (bytes 00da-00df). This MBR will boot FAT-LBA partition types 0c and 0e beyond cylinder 1024 using LBA addressing.

−d, −−mbrdos

Write a DOS/Windows NT master boot record to device. Does not change Windows Disk Signature (bytes 01b8-01bd). This MBR will not boot beyond cylinder 1024 as it does not support LBA addressing.

−s, −−mbrsyslinux

Write a syslinux master boot record to device. Does not change Windows Disk Signature (bytes 01b8-01bd). This MBR will boot any partition types beyond cylinder 1024 using LBA addressing.

−t, −−mbrgptsyslinux

Write a GPL syslinux GPT MBR to device. This MBR will boot from a GPT partition table.

−a, −−mbrreactos

Write a ReactOS MBR to device.

−k, −−mbrkolibrios

Write a KolibriOS MBR to device.

−r, −−mbrrufus

Write a Rufus MBR to device.

−g, −−mbrgrub4dos

Write a Grub4Dos MBR to device.

−b, −−mbrgrub2

Write a Grub 2 MBR to device.

−z, −−mbrzero

Write an empty (zeroed, non-bootable) master boot record to device. Zeroes all bytes except the partition map and signature id (bytes 01be-01ff). Similar to the empty DOS partition table that fdisk creates.

−f, −−force

Force writing of boot record.

−h, −−help

Show summary of options.

−v, −−version

Show program version.

−w, −−write

Write automatically selected boot record to device.

If ms-sys is started without any options a simple diagnosis will be done on the given device.

NOTES

When writing EXFAT partition info the number of heads value is not used and the wipelabel feature is not supported either because these are not stored in the BIOS Parameter Block or anywhere in the boot sector. Their associated switches will be ignored if specified.

When writing NTFS partition info the physical drive id is not used and the wipelabel feature is not supported for the reasons stated above. The switches will be ignored.

The Write OEM ID feature is only supported on FAT12/16/32 filesystems and changing this value on NTFS or EXFAT volumes will result in an unmountable partition.

EXAMPLES

Please note that Windows ME is not useful for making standalone bootable floppies. However, Win9x and DOS works fine with the first two examples.

Creating a 1.68 MB bootable floppy
This example assumes that you have your windows installation mounted at
/dosc and also have mtools and fdformat installed.

fdformat /dev/fd0u1680
mformat a:
ms-sys -w /dev/fd0
mcopy /dosc/io.sys a:
mcopy /dosc/msdos.sys a:
mcopy /dosc/command.com a:

Creating a bootable 2.8 MB floppy image to use with an el-torito bootable CD

dd if=/dev/zero of=floppy288.img bs=1024 count=2880
/sbin/mkdosfs floppy288.img
ms-sys -1 -f floppy288.img
su
mount -o loop floppy288.img /mnt
cp msdos.sys /mnt/
cp io.sys /mnt/
cp command.com /mnt/
(it might also be a good idea to add a config.sys and autoexec.bat with CDROM support)
umount /mnt
exit
cp floppy288.img cd-files/boot.img
mkisofs -b boot.img -c boot.cat -o cdimage.iso cd−files
(burn the file cdimage.iso to a CD with cdrecord or another program)

restoring a backup of Win9x or Win ME to a fresh hard disk

Step 1, use GNU parted to create your FAT32 partition and file system:

parted (then create partition and file system)

Step 2, write the MBR:

ms-sys -w /dev/hda

Step 3, write the FAT32 partition boot record:

ms-sys -w /dev/hda1

Step 4, mount your new filesystem:

mount /dev/hda1 /mnt

Step 5, read your backup

cd /mnt; tar -xzvf /path/to/my_windows_backup_file.tgz

ENVIRONMENT

The variables LANG and LC_ALL have the usual meaning, however there are not many translations available.

BUGS

There have been reports about unbootable FAT32 partitions created with "mformat -F c:". The problem has also been reported on partitions formatted with mkdosfs and mkfs.vfat. One workaround is to use gnu parted to create the partition instead. Since version 1.1.3 ms-sys has the switch −p which is supposed to fix this problem. Unfortunately, when using ms-sys with Linux kernel 2.6 nor the −p switch or gnu parted might work. A simple workaround is to use ms-sys with Linux kernel 2.4. Another possible workaround is to manually set the number of heads with the switch -H. If the system has been booted by LILO, the correct number of heads can be given by "lilo -T geom".

The writing of NTFS partition boot records in ms-sys probably has no practical use. For Windows 7 it has been reported that doing "sysprep" before making an image of an NTFS partition will make the partition restored from the image bootable.

AUTHOR

This manual page was originally written by Gürkan Sengün and since edited by Henrik Carlqvist. The program ms-sys is mostly written by Henrik Carlqvist, the file CONTRIBUTORS in the source archive contains a complete list of contributors.

SEE ALSO

mformat(1) fdformat(8) mkdosfs(8) mkisofs(8) parted(8)