[root@mordac ~]# uname -a
Linux mordac.4wx.net 2.6.9-34.0.1.ELsmp #1 SMP Wed May 24 08:14:29 CDT 2006 i686 athlon i386 GNU/Linux
[root@mordac ~]# cat /etc/redhat-release
CentOS release 4.3 (Final)
[root@mordac ~]# yum install kde
Setting up Install Process
Setting up repositories
Reading repository metadata in from local files
Parsing package install arguments
No Match for argument: kde
Nothing to do
[root@mordac ~]