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Internal operating system usage. Does not return to caller.
Related calls
OS_Poll, poll for an application
DC_Nam, name current application
DC_Pol, poll for card usage
OS_Ent, enter an application
OS_Stk, stack the current process (application)
OS_Exit, exit an application
OS_Bye, exit application
DC_Bye, exit current process
OS_Use, process card usage
DC_Alt, pass an alternative character