In OS X 10.5, Apple added the ability to share individual folders to the Sharing preference panel. However, one needs to be aware of permission problems when attempting to share a particular folder. To illustrate this problem, I will use an example:
Create folder ABC in ~/Documents
Press Command-I and check the Shared Folder checkbox
Click on the Enable button to enable file sharing
Go to the Sharing panel in System Preferences and click on the File Sharing item
Click on the Options button and enable SMB sharing by checking the Share Files and Folders using SMB checkbox (there is no need to enable SMB sharing of accounts, as we will see later)
By this step, you would expect to see folder ABC under your computer's name in Network Neighbourhood in Windows, but it's not there. In fact, you can't even acce...