what is the location of registry backup file?

ntbackup [/ nopoll] [/ missingtape]

/ Nopoll

Specifies that the tape should be deleted. Do not use / nopoll with any other parameter.

/ Missingtape

When the backup set requires multiple tapes, specifies that it has lost one of them. Each tape becomes a single unit, rather than join the group.

You can create a script to perform batch automatically and periodically backup one, or
several units. However, the use of process files batch (batch) only allows you to create backups of directories, but not individual files. Moreover, in the files by lots is not permitted to use wildcard characters.

Syntax:

ntbackup operation path [/ a] [/ v] [/ r] [/ d "text"] [/ b
] [/ Hc: {on | off}] [/ t {option}] [/ l "filename"] [
/ I] [/ tape: {n}]

Parameters:

operation

Specifies the operations, backup or eject.

Each of the following parameters (except / tape) can only parameter used with the backup operation.

Route

Specifies one or more directory paths to copy.

/ A

Makes backup sets are added or annexations after the last set of backup tape. When
not specified / a, the program reuses the tape and replace previous data. When you specify more than one unit but not specify / a, the program overwrites the contents of the tape with the information from the first drive selected and then annexed the
copy sets of the remaining units.

/ V

Check the operation.

/ R

Restrict access.

/ D "text"

Specifies a description of the contents of the backup.

/ B

Specifies to create a backup of the local registry.

/ Hc: on or / hc: off

Specifies whether hardware compression is active or inactive.

/ T {option}

Specifies the type of backup. The option can be one of the
following:

normal copy
differential incremental
daily
/ L "filename"

Specifies the name of log file backup.

/ E

Specifies that the log backup should include only exceptions.

/ Tape: {n}

Specifies the tape drive in which to save a copy of up files. N is a number from 0 to 9 that corresponds to number assigned to the tape drive when it was installed.

Backup (Backup)

Make a backup of one or more files from one disk to another.
Backups can be performed on a hard drive or floppy disk.
You can also back up files on a floppy disk another, regardless of whether the disks have different numbers of faces or sectors. Windows NT displays the name of each file to create copy of it up.
Backup unidad_destino origin [/ s] [/ m
] [/ A] [/ f [: size]] [/ d: date [/ t: time]] [
/ l [[drive:] [path] logfile]]

parameters

source
Specifies the location of the files you want to back security. It may be a drive letter and colon (:), a name directory, a file name or a combination thereof.
Unidad_destino:
Specifies the drive containing the disk on which to store the backup files. The backup is stored in the CONTROL.nnn BACKUP.nnn and files. That is, the names assigned Backup
CONTROL.001 BACKUP.001 and the files created in the first disk backup security and CONTROL.002 BACKUP.002 to files created in the second disk backup, and so on.