A virtual series representing the latest Linux series available.
The 2.6.35 development branch
The 2.6.34 development branch
The 2.6.22 series represents the kernel used in Gutsy Gibbon.
A conservative stable branch, forming the basis for the 2.6.15.x series of releases
The release of Linux which was included in Ubuntu 5.10 (Breezy)
The release of Linux which was included in Ubuntu 5.04 (Hoary)