Installed Gentoo Linux with KDE. Worked on it for some days without any problem. The disk became full (now deleted some files downloaded to my documents to get 1.5Gb free space). Now i can't login to Gentoo. The login screen appears when username and password is entered and press enter It never logins. just reappears.
Pressed Ctrl+Alt+F1 and logedin as root no commands are accessible, not even 'ls' Help needed.