How to clear master.dbo.sysprocesses ? : I see all connection session by query statement:

    Select * From master.dbo.sysprocesses


And i try to clear by statement:

    Delete From master.dbo.sysprocesses

or

    Truncate table master.dbo.sysprocesses
or update but not allow.

[How to clear master.dbo.sysprocesses][1]

Please help me know how to clear or update
***master.dbo.sysprocesses*** ?

Thank you very much!


  [1]: http://i.stack.imgur.com/q1AmQ.png