Syntax of the UPDATEC command
>>-UPDATEC--+-ALL-------------------------+---------------------> +-+-BACKUPCONTROLDATASET-+----+ | '-BCDS-----------------' | +-+-MIGRATIONCONTROLDATASET-+-+ | '-MCDS--------------------' | '-+-OFFLINECONTROLDATASET-+---' '-OCDS------------------' >--+-----------------+----------------------------------------->< '-JOURNAL(dsname)-'