Abap+ java stack or Abap stack

Hi All,
How to know whether a system is ABAP+ JAVA stack or JAVA stack.
In our system EP6.0 which is JAVA stack holds JC00 which is a java instance direcory. In BW system we have SCS20 and Dvebg...00 directories is it ABAP+ JAVA stack or ABAP stack with J2ee engine services.
Please suggest me...
Thanks,
Subhash.G

In the forder structuer usr\sap\<SID> if you have DVEBMGS<XX> then it's ABAP and if it's JC<XX>, then it's JAVA. Also if under DVEBMGS<XX> you have j2ee and SDM folder then it's a dual stack that is both ABAP and JAVA.
As for the URL if it's a dual stack then using the browser use the user j2ee_admin and the specified password, else if it is only java then use administrator user and the specified password.
If it's a dual stack you can also login using sapgui.
If in case its single stack AS_ABAP
THere will one be a single node i.e. no message server and enque server. The folder stur would be /usr./sap/<SID>/ and tou would find
DVEBMG SYS folders only.
IF in case its single stack Java server then
In mmc. you will find, 2 nodes one for message server, enque server and the other for the SDM, dispatcher and server0
the foder struct would be
/usr/sap/<SID?
JC><CIno> SCS<no>
Now in case if you have double stack i.e. AS-java and AS-ABAP you would will find these things in mmc
Message server and enque server
disp+work, message server and wp
the folder struct would be
/usr/sap/<SID>/
DVEBMG<no> SCS<no>

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>
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Abap+ java stack or Abap stack

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