Displaying a Page Segment Description Changing a Page Segment Description Converting a Page Segment to a Physical File Member Chapter 15. Introduction to Resource Management Utility (RMU) 313 This function calls the CL command DSPOBJD , and displays the page segment description. This function calls the CL command CHGOBJD , and changes the page segment description. This function allows you to convert a page segment to a physical file member. You can transfer the page segment to another system such as the System/370.