Changing Default Client Number

[srikanthGali]

Hi every one.I am Srikanth.I'm a beginner for SAP BASIS.How can I change a default client number.When I installed SAP BASIS 4.7 in my laptop Client 000 is set as the default client.When ever I want to login the client 000 is opening what should I do to change it to some other client?

[ratna53]

change the login/system_client parameter to required client in default profile.
we have to change the default value in RZ10