In the DD statement, data set disposition, such as whether the data set needs to be created or already exists, and whether the data set can be shared by more than one job
Answer: DISP=
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INFS
- When creating a DASD data set, you specify the amount of space needed explicitly through the _____ parameter, or implicitly by using the information available in a data class.
- Besides JCL, other common methods for allocating data sets include the ______ utility program, or using _____ to automate the allocation of data sets.
- The HLQ for a user's data sets is typically controlled by the _____.
- What are the rules of naming segments or qualifiers?
- You can use a set of TSO menus ______. One menu guides the user through allocation of a data set.
- You can use the ______ command to create data sets. The command actually guides you through the allocation values that you must specify.
- You can allocate data sets through a multifunction services program called ______ ______ ________; Include commonly used commands for working with data sets, such as ALLOCATE, ALTER, DELETe, and PRINT.
- A volume Label, stored at track 0 or cylinder 0, identifies?
- The number of ______ and their capacity vary with the device. Each device has an access mechanism that contains read/write heads to transfer data as the recording surface rotates past them.
- The recording surface on each volume is divided into many concentric ______
- What 4 features does DASD volumes have in common?
- Is the basic z/OS file structure hierarchal or not hierarchical?
- A data set can be located by what three things?
- What are the three primary uses for DASD volumes?
- What are 5 commonly used Access methods?
- z/OS requires that the ______ _______ reside on a DASD that is always mounted on a drive that is online to the system.
- To enable the system to locate a specific data set quickly, z/OS includes a data set known as the ______ _______ that permits access to any of the data sets in the computer system or to other catalogs of data sets.
- Use ____ volumes for storing data and executable programs, including the operating system itself, and for temporary working storage; Can use one of these volume for many different data sets, and reallocate or re use space on the volume.
- Are known as sequential access devices because data sets on ____ must be accessed sequentially.
- _____ or ____ are most frequently used for storing data sets on a long-term basis.
- Generally, the operating system loads the members of a PDS into storage ____________, but it can access members directly when selecting a program for execution.
- In a mainframe system, the channel subsystem manages the use of ___ _______, such as disks, tapes, and printers, while z/OS associates the data for a given task with a ______.
- If you use TSO/E, a command called ____ creates a shell for you. You can work in the shell environment until exiting or temporarily switching back to the TSO/E environment.
- The ________ provide a command interface to the z/OS UNIX environment. You can access the shell either by logging on to TSO/E or by using the remote login facilities of TCP/IP (rlogin).
- ________ should be viewed as a system management interface and a development interface for traditional z/OS programming.