1- E-mail link:

<A href=”mailto: info@schoolnet.ir”> schoolnet </A>

2- Usenet link:

<A href="news: news address"> news </A>

3- Ftp link:

<A href="ftp://ftp.mysite.com/pub/fag">for download FAG click here</A>

4- Gopher link:

<A href="gopher://gopher.mysite.com"> here </A>

5- Telnet:

<A href="telnet://address"> click here </A>