ERPstuff - Oracle EBS Community

We are going to implement Oracle EBS R12 with a wide module set (Finanacial, Supply Chain Mgmt, HR, Projects, Discrete Manufacturing)
We are a relatively big organization with initial count of ERP users of about 240 users in different dept.
I need to know the factors that drive the operating system selection.
Can any body help with an inclusive article
Thanks, regards[:)]

Other than windows select anyone Linux,unit....

Well, I need to know the factors that drive the operating system selection.
your answer appears to be exclusive not inclusive, can you send me any explaination of the pros and cons of each system and if there are some criteria that drives the selction
Thanks

Here are my personal observations,

<b>Windows</b>
Pros
- People already working on windows so they feel comfortable.
- Finding experts of OS available in market very easy.

Cons
- Oracle is not developing application on windows but they are porting.
- You need third party application to make windows unix compatible.
- You will have to install Visual C++, MKS, GNU
- You will face CCM issue very frequent as linking of so many apps can be issue.
- You shutdown service and it is possible you will not be able to start it.
- Virtual Memory will be any issue.
- Virus friendly and Anti virus consumes extensive memory.

<b>Linux/Unix</b>
Pros
- Oracle support likes customers as they support Linux.
- No third party application need to be installed.
- CCM issues very minor if any.
- Closing/bakup is easy.
- Very few viruses
- Tight OS security.

Cons
- Extra efforts required to learn command line.
- Less experts available in market and who are expert they charge good amount.

May be my observations are not similar to all others so others comments are welcome.

CCM = Concurrent Manager
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Thanks my dear for your responsive reply