Install Firefox (Browser)
=== Centos ===
# yum install <package>
# yum install firefox
# yum list *Firefox*
== [i]<snip>[/i]
Installed Packages
firefox.i386                             1.5.0.12-15.el5.centos installed
Available Packages
firefox-devel.i386                       1.5.0.12-15.el5.centos updates ==
# yum update

Pada dasarnya untuk debian sama tetapi menggunakan "apt-get"