Equivalent of Linux command `hostname --fqdn` in Windows XP?

You can find it in the system properties ("Computer name" tab).

With the command line, you can run IPCONFIG /ALL and have a look at the "Host name" and "Primary DNS suffix" fields.

There is no such option to the hostname command in windows. However, this should do the trick:

echo %COMPUTERNAME%.%USERDNSDOMAIN%

Or you can grep (under Windows: find /I "string") for Host- and Domain from set or systeminfo or ipconfig -all name and glue it together elsewhere.

Edit: fixed Typo. Thanks Benoit

Update: The variable %USERDNSDOMAIN% is only available when logged on to a domain... The DNS suffix you get from a DHCP server is not put into a environment variable (as far as I could figure out).

The command is:

ping -a localhost

vbscript :

' Print FQDN in lower case letters
' Volker Fröhlich (2011)

option explicit
dim Message
dim output
dim WshShell, objEnv
dim mydomain

' Read value from registry
function readFromRegistry (strRegistryKey, strDefault )
    Dim WSHShell, value

    On Error Resume Next
    Set WSHShell = CreateObject("WScript.Shell")
    value = WSHShell.RegRead( strRegistryKey )

    if err.number <> 0 then
        readFromRegistry= strDefault
    else
        readFromRegistry=value
    end if

    set WSHShell = nothing
end function

mydomain = readfromRegistry("HKLM\SYSTEM\CurrentControlSet\services\Tcpip\Parameters\Domain", "asdf")

' Get the WshShell object
Set WshShell = CreateObject("WScript.Shell")

' Get collection by using the Environment property
Set objEnv = WshShell.Environment("Process")

if (mydomain="") then
Message = LCase(objEnv("COMPUTERNAME"))
else
Message = LCase(objEnv("COMPUTERNAME")) & "." & mydomain
end if

' Write to stdout
set output = wscript.stdout
output.writeline Message

DOS BATCH FILE TO CALL ABOVE SCRIPT :

for /f %%a in ('cscript //nologo yourscriptname.vbs') do set FQDN=%%a
echo %FQDN%
pause

Try this from the command prompt:

FOR /F "tokens=2" %i in ('systeminfo ^| find /i "Domain"') do echo %computername%.%i

remember to use double % for %i if using this in a batchfile. e.g. %%i

A reason you may want to do it this way is: if your users and computers are in different domains, the %USERDNSDOMAIN% will not be correct when applied to your computer. If you only have one domain and no child domains, then you can use the other solutions above if you like.

Equivalent of Linux command `hostname --fqdn` in Windows XP?

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