Using If ErrorLevel & net start on batch file

@echo off &setlocal

VER | find "NT" > nul
IF not errorlevel 1 GOTO :s_win_NT

VER | find "2000" > nul
IF not errorlevel 1 GOTO :s_win_2000

VER | find "98" > nul
IF not errorlevel 1 GOTO :s_win_98

VER | find "ME" > nul
IF not errorlevel 1 GOTO :s_win_ME

VER | find "95" > nul
IF not errorlevel 1 GOTO :s_win_95
GOTO :s_unknown_os

:s_win_NT
echo This computer uses Windows NT Operating System
net start "InterBase Server"
goto :bye

:s_win_2000
echo This computer uses Windows 2000 Operating System
net start "InterBase Server"
goto :bye

:s_win_98
echo This computer uses Windows 98 Operating System
echo Please restart the computer
echo off
rem "C:\Program Files\CDIS Offline\InterBase\bin\IBGuard.exe"
goto :bye

:s_win_95
echo This computer uses Windows 95 Operating System
echo Please restart the computer
echo off
rem "C:\Program Files\CDIS Offline\InterBase\bin\IBGuard.exe"
goto :bye

:s_win_ME
echo This computer uses Windows ME Operating System
goto :bye

:s_unknown_os
echo Unknown Operating System
goto :bye

:bye