How do some Linux vendors charge a fee if their systems are in compliance with the GPL?<
<ul><li><span style=”color:rgb(45,59,69);”>How do some Linux vendors charge a fee if
their systems are in compliance with the GPL?</span></li><li><span style=”color:rgb(45,59,69);”>Are there any other software packages that fall under the GPL? Please provide examples.</span></li></ul>