How to Disable echo in Shell Script ?

To Disable echo in a Shell Script,
just use the redirection operator (>>)to  /dev/null

say , uname -a gives,
Linux localhost 2.6.33 #4 SMP PREEMPT Tue Mar 2 21:08:17 IST 2010 i686 GNU/Linux


If you dont want to display any status message of a command,
use this,


uname -a >> /dev/null