CentOS system version and kernel version view

How to view the system version and kernel version in CentOS? Here's a CentOS 6.3 example to illustrate:

2. Log in to the CentOS operating system and open the terminal

   650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/80/1B/wKiom1c33U-hH1yBAAAO4jHb-K8356.png "/>

4. View operating system version

   Cat/etc/redhat-release

   650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/80/1B/wKiom1c33VDx1figAAAHC7qQMTc048.png "/>

   
   

6. To view the system kernel version number

   Uname-r

   650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/80/1B/wKiom1c33VDzob4eAAADe75tIt0108.png "/>

   
   

   
   

   
   

CentOS system version and kernel version view