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Everything about Queued Sequential Access Method
Access method to read and write datasets sequentially
In IBM mainframe operating systems, Queued Sequential Access Method (QSAM) is an access method to read and write datasets sequentially. QSAM is available on OS/360, OS/VS2, MVS, z/OS, and related operating systems. Wikipedia →
🧭 Start here: a 6-step reading path
- Read the overview: Queued Sequential Access MethodA 5-minute orientation
- Pick up a classic book: Invitation to Computer ScienceThe most-reprinted book on the subject
- Go sideways: Basic sequential access methodA closely related topic
- Go sideways: Access methodA closely related topic
📖 Definitions
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🗂️ The subject at a glance
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🏆 Landmark papers (most cited)
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📚 Books worth reading
Invitation to Computer ScienceG. Michael Schneider, Judith L. Gersting · 1995
Operations ManagementRoberta S. Russell, Bernard Taylor · 1998
Computer ArchitectureJoseph D. Dumas II · 2005
Introduction to Computing Using PythonLjubomir Perkovic · 2011
Computer Architecture and OrganizationJohn P. Hayes · 2002
An introduction to data structures with applicationsJean-Paul Tremblay, Paul Gordon Sorenson · 1976
Data structures & algorithms in JavaRobert Lafore · 2003
Understanding Computers Today and TomorrowDeborah Morley · 2003
Ranked by number of editions on Open Library, a rough measure of how lasting a book is.
🔗 Related topics
- Basic sequential access method In IBM mainframe operating systems, Basic sequential access method (BSAM) is an access method to read and write datasets sequentially. BSAM is available…
- Access method An access method is a function of a mainframe operating system that enables access to data on disk, tape or other external devices. Access methods were…
- Direct-access storage device A direct-access storage device (DASD) (pronounced /ˈdæzdiː/) is a secondary storage device in which "each physical record has a discrete location and a…
- Basic direct access method Basic Direct Access Method, or BDAM is an access method for IBM's OS/360 and successors computer operating systems on System/360 and later mainframes.…
- Data Facility Storage Management Subsystem (MVS) Data Facility Storage Management Subsystem (DFSMS) is a central component of IBM's flagship operating system z/OS. It includes access methods, utilities…
- Basic partitioned access method In IBM mainframe operating systems, basic partitioned access method (BPAM) is an access method for libraries, called partitioned datasets (PDSes) in IBM…
- Execute Direct Access Program In IBM mainframe operating systems, Execute Direct Access Program (XDAP) is a pseudo access method for accessing direct access datasets on a block by block…
- Data set (IBM mainframe) In the context of IBM mainframe computers in the IBM System/360 line and its successors, a data set (IBM preferred) or dataset is a computer file having…