Running the CHCCLP commands in interactive mode You can run the CHCCLP commands in interactive mode from a command prompt. ProcedureLaunch CHCCLP on your operating system. The CHCCLP command starts the CHCCLP program in interactive mode by default and changes the command prompt to Repl >. Issue any of the CHCCLP commands. To exit the CHCCLP program, issue either of the following commands: quit;or exit;