Hello Muhammed,
Closing cockpit is helpful functionality mainly used for closing process.
Refer details in following link
https://help.sap.com/saphelp_erp60_sp/helpdata/en/42/51d7531a4d424de10000000a174cb4/frameset.htm
Also refer following thread for configuration.
http://scn.sap.com/docs/DOC-43299
Best Regards,
Chirag Panchal