Well, if you do want a full on OS script there are a couple out there.

I like this one from MCA which works with KiXtart v3.6x

code:
; http://home.wanadoo.nl/scripting 
; http://home.wanadoo.nl/scripting/download/os.kix
; IF setconsole("hide")
; ENDIF
;
; NT/95 calculates os - Kixtart 3.62, 3.63, 4.00
;
; (c) scripting@wanadoo.nl - 2000, 2001
;
; vs 2.09 - program (calculates OS version with service pack)
;
; 1.00 (20000715) original version
; 2.00 (20010330) - add "windows ME"
; - returns $os + $os_type values
; 2.01 (20010401) - kixtart 2001 beta1 compliancy
; 2.02 (20010405) - remove cutting $os value
; 2.03 (20010701) - add "windows XP beta" + "windows 2000 terminal server"
; (input by NTDOC)
; 2.04 (20010725) - minor fix
; 2.05 (20011115) - fix "windows 2000 terminal server" was presented as
; "windows 2000 server"
; (input by NTDOC)
; 2.06 (20011115) - add "windows NT terminal server"
; (input by Mike Wade)
; 2.07 (20011115) - add "windows XP terminal server"
; - improvement terminal server
; - suppress SetConsole("hide")
; 2.08 (20011201) - add "windows XP home" (input by Mike Wade)
; 2.09 (20011201) - incorrect "service pack" result by "Windows2000 SP3, RC 3.51"
; (input by NTDOC)
;
$prgm_version="2.09"

IF (@inwin = 1)
$NT_mode="yes"
ELSE
$NT_mode="no"
ENDIF

$os=""
$os_dos=@dos
$os_product=ReadValue("HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ProductOptions","ProductType")
$os_productSuite=ReadValue("HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ProductOptions","ProductSuite")
$os_service_pack=""
$os_subversion=ReadValue("HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion","SubVersionNumber")
SELECT
CASE ($NT_mode = "yes") AND ($os_product <> "WinNT") AND ($os_dos = "5.1") AND (Instr($os_productSuite,"Terminal Server") <> 0)
$os="XP_Terminal_Server"
CASE ($NT_mode = "yes") AND ($os_product <> "WinNT") AND ($os_dos = "5.1") ; - Windows XP Server
$os="XP_Server"
CASE ($NT_mode = "yes") AND ($os_product = "WinNT") AND ($os_dos = "5.1") AND ($os_productSuite = "personal") ; - Windows XP Home
$os="XP_Home"
CASE ($NT_mode = "yes") AND ($os_product = "WinNT") AND ($os_dos = "5.1") ; - Windows XP Professional
$os="XP_Professional"
CASE ($NT_mode = "yes") AND ($os_product <> "WinNT") AND ($os_dos = "5.0") AND (Instr($os_productSuite,"Terminal Server") <> 0)
$os="W2K_Terminal_Server"
CASE ($NT_mode = "yes") AND ($os_product <> "WinNT") AND ($os_dos = "5.0") ; - Windows 2000 -
$os="W2K_Server"
CASE ($NT_mode = "yes") AND ($os_product = "WinNT") AND ($os_dos = "5.0")
$os="W2K_Professional"
CASE ($NT_mode = "yes") AND ($os_product = "LANMANNT") ; - Windows NT -
$os="NT4_Domain_Controller"
CASE ($NT_mode = "yes") AND ($os_product = "ServerNT") AND (Instr($os_productSuite,"Terminal Server") <> 0)
$os="NT4_Terminal_Server"
CASE ($NT_mode = "yes") AND ($os_product = "ServerNT")
$os="NT4_Member_Server"
CASE ($NT_mode = "yes") AND ($os_product = "WinNT")
$os="NT4"
CASE ($NT_mode <> "yes") AND (@dos = "4.90")
$os="ME"
CASE ($NT_mode <> "yes") AND ($os_dos = "4.10") AND (INSTR(LCASE($os_subversion),"c") <> 0) ; - Windows 98 -
$os="W98c"
CASE ($NT_mode <> "yes") AND ($os_dos = "4.10") AND (INSTR(LCASE($os_subversion),"b") <> 0)
$os="W98b"
CASE ($NT_mode <> "yes") AND ($os_dos = "4.10") AND (INSTR(LCASE($os_subversion),"a") <> 0)
$os="W98a"
CASE ($NT_mode <> "yes") AND ($os_dos = "4.10")
$os="W98"
CASE ($NT_mode <> "yes") AND ($os_dos = "4.0") AND (INSTR(LCASE($os_subversion),"c") <> 0) ; - Windows 95 -
$os="W95c"
CASE ($NT_mode <> "yes") AND ($os_dos = "4.0") AND (INSTR(LCASE($os_subversion),"b") <> 0)
$os="W95b"
CASE ($NT_mode <> "yes") AND ($os_dos = "4.0") AND (INSTR(LCASE($os_subversion),"a") <> 0)
$os="W95a"
CASE ($NT_mode <> "yes") AND ($os_dos = "4.0")
$os="W95"
CASE 1
$os="???" ; - undetermined -
ENDSELECT
;
$os_service_pack=""
SELECT
CASE ($NT_mode = "yes") AND ($os_dos = "5.1") ; - Windows XP
$os_service_pack=ReadValue("HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion","BuildLab")
IF (len($os_service_pack) <> 0)
$os_service_pack=LTRIM(RTRIM($os_service_pack))
$os=substr($os,1,3)+"_"+LTRIM(RTRIM($os_service_pack))
ENDIF
CASE ($NT_mode = "yes") AND ($os_dos <> "5.1") ; Windows NT4 + W2K
$os_service_pack=ReadValue("HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion","CSDVersion")
IF (len($os_service_pack) <> 0)
$os_service_pack=LTRIM(RTRIM($os_service_pack))
IF (instr($os_service_pack,",") <> 0)
$os=substr($os,1,3)+"_"+substr($os_service_pack,instr($os_service_pack,",")-1,1)
ELSE
$os=substr($os,1,3)+"_"+substr($os_service_pack,len($os_service_pack),1)
ENDIF
ENDIF
CASE 1
; Windows 95, 98 + ME
ENDSELECT
;
$os_type=""
$os_dos=@dos
SELECT
CASE ($NT_mode = "yes") AND ($os_dos = "5.1") ; - Windows XP -
$os_type="XP"
CASE ($NT_mode = "yes") AND ($os_dos = "5.0") ; - Windows 2000 -
$os_type="W2K"
CASE ($NT_mode = "yes") ; - Windows NT -
$os_type="NT4"
CASE ($NT_mode <> "yes") AND ($os_dos = "4.90") ; - Windows ME -
$os_type="ME"
CASE ($NT_mode <> "yes") AND ($os_dos = "4.10") ; - Windows 98 -
$os_type="W98"
CASE ($NT_mode <> "yes") AND ($os_dos = "4.0") ; - Windows 95 -
$os_type="W95"
CASE 1
$os_type="???" ; - undetermined -
ENDSELECT
$os_type=LTRIM(RTRIM(substr($os_type+" ",1,3)))
;
IF ($NT_mode = "yes")
? "$$os "+$os ; <--- $os_type + service pack code
? "$$os_type "+$os_type
? "$$os_service_pack "+$os_service_pack
ELSE
? "$$os "+$os ; <--- $os_type + service pack code
? "$$os_type "+$os_type
ENDIF


[ 11 January 2002: Message edited by: NTDOC ]