Implementing AutoConfig Customizations

How to customize AutoConfig in Oracle Apps 11i
Create the custom template directory
Create a directory named “custom” at the location where the AutoConfig template file resides.
For example, if you want to customize <FND_TOP>/admin/template/appsweb.cfg, execute the following command as the applmgr user:
mkdir $FND_TOP/admin/template/custom

Copy the AutoConfig template file
Copy the AutoConfig template file to the custom template file.
Execute the following command as the applmgr user:
cp -i <AutoConfig template file> <custom template file>
For example:
cp -i $FND_TOP/admin/template/appsweb.cfg \
$FND_TOP/admin/template/custom/appsweb.cfg
Edit the custom template file
Edit the custom template file with the editor of your choice, such as vi on UNIX or Wordpad on Windows.
Verify your customizations
Execute the adchkcfg utility. When this utility runs, it instantiates any custom template files in place of the corresponding AutoConfig template file. The adchkcfg utility generates a report with information about all files and profile options that will be changed during the next normal execution of AutoConfig. Verify that your customizations would be applied as expected in your next AutoConfig run.
Run AutoConfig
Run AutoConfig. When AutoConfig runs, it instantiates any custom template file in place of the corresponding AutoConfig template file.