Where should .htaccess be located for a www.example.com/abc/

Question

I've got a set of webpages-A at www.example.com and I want to setup a set of scripts-B at the location: www.example.com/abc/

I've got an existing .htaccess which is "configured" to be located at an address like www.example.com/ (not within the subfolder)

Where should the .htaccess be located? At www.example.com/ or at www.example.com/abc/

Its currently at the latter, but its not redirecting properly.

How do I check if the url rewriting module is installed properly?

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Edit 1: Solution

In /etc/httpd/conf/httpd.conf, changed:

# AllowOverride controls what directives may be placed in .htaccess files.
# It can be "All", "None", or any combination of the keywords:
#   Options FileInfo AuthConfig Limit
#
    AllowOverride None

To

# AllowOverride controls what directives may be placed in .htaccess files.
# It can be "All", "None", or any combination of the keywords:
#   Options FileInfo AuthConfig Limit
#
    AllowOverride All

Answer 1

You need to put your .htaccess file in the server folder abc - so you need to check the path to the root of your site, and then put the .htaccess in the abc folder in that root folder.

For example, /usr/local/apache2/htdocs/example_site_root/abc <- put .htaccess here.