Enabling/Disabling xp_cmdshell

In order to use xp_cmdshell in the QA, do the following steps:

1. sp_configure 'xp_cmdshell','1' -- Set it enabled
2. reconfigure -- apply the changes in db

Now you can run xp_cmdshell.

If you want to disable it, do followings:

1. sp_configure 'xp_cmdshell','0' -- Set it disabled
2. reconfigure -- apply the changes in db