Disable the option for creating a new folder in sharepoint 2010

Problem Background

Some of clients want the users nolt to create New Folder in a document library.

Solution

• Open the specified document library. 
• Go to "Library Setting"

• Click "Advanced Setting"

• Go to "Folders" section and "No" option for "Make New Folder command available"

Conclusion

Now the "New Folder" option is disabled.

But still users can create folders through Explorer Mode. ;)