中国DOS联盟

进入dos后运行程序后怎样才可以返回启动菜单呢?配置单如下:
DEVICE=CONFIG.EXE
DEVICE=CONMENU.SYS

REM COLOR=1f,c
REM DEFAULT=f,10
REM CAPTION=
REM CAPTION=MS-DOS
REM CAPTION=======================================
REM CAPTION=
REM ENDNOTE=按↑↓或相应字母键选择启动项按回车执行
REM ENDNOTE=======================================
REM ENDNOTE=

REM CM0=[A. 备份/还原系统
REM INCLUDE0=1
REM CM0=]A

REM CM0=[B. DOS杀毒
REM INCLUDE0=1
REM CM0=]B

REM CM0=[C. 返回GRUB
REM INCLUDE0=1
REM CM0=]C

REM CM0=[D. MS-DOS
REM INCLUDE0=1
REM CM0=]D

REM CM0=[E. 重新启动
REM INCLUDE0=1
REM CM0=]E

REM CM0=(1
DEVICE=DOS\HIMEM.SYS /TESTMEM:OFF /Q
DEVICE=DOS\UMBPCI.SYS
REM CM0=)1

SHELL=COMMAND.COM /E:1024 /P /F
DOS=HIGH,UMB,AUTO
FCBSHIGH=4,0
FILESHIGH=30
BUFFERSHIGH=20,0
STACKSHIGH=9,256
LASTDRIVE=Z
DEVICEHIGH=DOS\RAMDRIVE.SYS /E 4096

REM CM0=[END]