Sample virtual host settings for localhost

virtual-host-settings

#
#Added by NHD
#
NameVirtualHost *:80

<VirtualHost *:80>
ServerName localhost
DocumentRoot "D:\wamp\www"
</VirtualHost> 

<VirtualHost *:80>
   DocumentRoot "D:\wamp\www\doctor-data\public"
   ServerName doctor-data.local

   # This should be omitted in the production environment
   SetEnv APPLICATION_ENV development

   <Directory "D:\wamp\www\doctor-data\public">
       Options Indexes MultiViews FollowSymLinks
       AllowOverride All
       Order allow,deny
       Allow from all
   </Directory>

</VirtualHost>

<VirtualHost *:80>
ServerName client1.localhost
DocumentRoot "D:\wamp\www\client1"
<Directory "D:\wamp\www\client1">
allow from all
order allow,deny
AllowOverride All
</Directory>
DirectoryIndex index.html index.php
</VirtualHost> 


<VirtualHost *:80>
ServerName zf_cms.localhost
DocumentRoot "D:\wamp\www\zf_cms\public"
<Directory "D:\wamp\www\zf_cms\public">
allow from all
order allow,deny
AllowOverride All
</Directory>
DirectoryIndex index.html index.php
</VirtualHost> 

Don't forget to set the ServerName to the end of your host file.
For windows, it is usually located in C:\Windows\System32\drivers\etc\hosts

EX:
127.0.0.1 doctor-data.local