Edit a file on CentOS 6.3 Minimal

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http://unix.stackexchange.com – I installed CentOS 6.3 Minimal on VMWare Player, and I realized how 'minimal' the setup is... Don't have network connectivity. From what I searched on google, I need to edit the file /etc/sysconfig/network-scripts/ifcfg-eth0 but since I don't have any editor installed (as far as I know), I don't know how to edit the file. How do I edit the file???? (HowTos)