What does PC operating systems use for creating a file?
Answer: byte stream file system
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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.