Install wordpress in blog name subdirectory

WordPress not allow installing wordpress into subdirectory name with blog.

Here are some step to remove this restrictions.

WordPress hook directory : subdirectory_reserved_names

Wp-admin/ms-edit.php line no:154

//$subdirectory_reserved_names = apply_filters( ‘subdirectory_reserved_names’, array( ‘page’, ‘comments’, ‘blog’, ‘files’, ‘feed’ ) );
$subdirectory_reserved_names = apply_filters( ‘subdirectory_reserved_names’, array( ‘page’, ‘comments’, ‘files’, ‘feed’ ) );

Wp-includes/ms-functions.php line no:516

//$subdirectory_reserved_names = apply_filters( ‘subdirectory_reserved_names’, array( ‘page’, ‘comments’, ‘blog’, ‘files’, ‘feed’ ) );
$subdirectory_reserved_names = apply_filters( ‘subdirectory_reserved_names’, array( ‘page’, ‘comments’, ‘files’, ‘feed’ ) );

OR

Wp-includes/ms-functions.php on line 559

if (! is_subdomain_install() )
//$illegal_names = array_merge($illegal_names, apply_filters( ‘subdirectory_reserved_names’, array( ‘page’, ‘comments’, ‘blog’, ‘files’, ‘feed’ ) ) );

$illegal_names = array_merge($illegal_names, apply_filters( ‘subdirectory_reserved_names’, array( ‘page’, ‘comments’, ‘files’, ‘feed’ ) ) );

Wp-includes/ms-settings.php Line no: 73

//$reserved_blognames = array( ‘page’, ‘comments’, ‘blog’, ‘wp-admin’, ‘wp-includes’, ‘wp-content’, ‘files’, ‘feed’ );
$reserved_blognames = array( ‘page’, ‘comments’, ‘wp-admin’, ‘wp-includes’, ‘wp-content’, ‘files’, ‘feed’ );