help me understand this string for recovery

please help me understand this

for recovery we have this files on the dvd's

Code:

[U]cd2d.cmd[/U]
@ECHO OFF
ECHO Prepare Acer system partition
ECHO Please wait for several seconds.
DISKPART /S X:\CD2D.TXT >>nul
ECHO ON

cd2d.txt

Code:

SELECT DISK 0
SELECT PARTITION 1
DELETE PARTITION NOERR
SELECT PARTITION 1
DELETE PARTITION NOERR
CREATE PARTITION PRIMARY NOERR
ASSIGN LETTER=D NOERR
EXIT

there are other files but for now how can i make from this files to boot from the hidden partition?