-bash-3.00# yum list tcl
Setting up repositories
update                    100% |=========================|  951 B    00:00
base                      100% |=========================| 1.1 kB    00:00
addons                    100% |=========================|  951 B    00:00
extras                    100% |=========================| 1.1 kB    00:00
Reading repository metadata in from local files
Available Packages
tcl.x86_64                               8.4.7-2                base
tcl.i386                                 8.4.7-2                base