The latest linux-next version of the Linux kernel is:         next-20091106
The latest snapshot 2.6 version of the Linux kernel is:       2.6.32-rc6-git3
The latest mainline 2.6 version of the Linux kernel is:       2.6.32-rc6
The latest stable 2.6.31 version of the Linux kernel is:      2.6.31.5  
The latest stable 2.6.30 version of the Linux kernel is:      2.6.30.9  
The latest stable 2.6.29 version of the Linux kernel is:      2.6.29.6  
The latest stable 2.6.27 version of the Linux kernel is:      2.6.27.38 
The latest stable 2.4.37 version of the Linux kernel is:      2.4.37.7