How to upgrade SAP Kernel on Unix?

For NetWeaver 7.0 ABAP stack only KERNEL UPGRADE?

To Upgrade Kernel on UNIX!

1. stopsap
2. clean shared memory
3. saposcol -k
4. ps -ef|grep sapstartsrv
5. kill
6. cleanipc
7. lsnrctl stop
8. backup your kernel
9. cd /sapmnt/
10. cp -pr exe exe.bkp
11. extract new kernel
12. cd exe
13. SAPCAR -xvf
14. Start saposcol
15. startlistener
16. startsap