Virtual Storage Access Method (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Virtual Storage Access Method" in English language version.

refsWebsite

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1,131^st place

850^th place

1datamation.com

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1computinghistory.org.uk

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1tutorialZpoint.com

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6,604^th place

1microfocus.com

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207^th place

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696^th place

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2,291^st place

bitsavers.org (Global: 4,153^rd place; English: 2,291^st place)

OS/Virtual Storage 1 Features Supplement (PDF) (First ed.). IBM. August 1972. GC20-1752-0.

computinghistory.org.uk (Global: low place; English: low place)

"VSAM Primer".

datamation.com (Global: low place; English: low place)

"New Life for Legacy Systems at LaBarge". Datamation. May 11, 2007.

ibm.com (Global: 1,131^st place; English: 850^th place)

ibm.com

"Control Interval Size Limitations". IBM. 27 March 2014.
"IBM Knowledge Center". www.ibm.com. 27 March 2014. Retrieved 2021-02-07.
ASMGUIDE, pp. 225-248, Chapter 14. Data-in-virtual. z/OS 2.5 MVS Programming: Assembler Services Guide (PDF). IBM. September 30, 2021. SA23-1368-50.
ASMGUIDE, pp. 293-310, Chapter 17. Window Services. z/OS 2.5 MVS Programming: Assembler Services Guide (PDF). IBM. September 30, 2021. SA23-1368-50.
"Local shared resources (LSR) or nonshared resources". IBM.
"Sharing VSAM Data Sets". IBM.com (IBM Knowledge Center). describes considerations for sharing VSAM data sets for NSR or LSR/GSR

www-01.ibm.com

"User's Guide" (PDF). 16 February 2024.
"Linear Data sets" (PDF). z/OS 2.5 DFSMS Using Data Sets (PDF). IBM. September 30, 2021. p. 91. SC23-6855-50.

redbooks.ibm.com

Rogers, P.; Capobianco, G.; Carey, D.; Davies, N.; Fadel, L.; Hewitt, K.; Oliveira, J.; Pita, F.; Salla, A.; Sokal, V.; Tay, Y. F.; Timm, H. (April 2000). "1.19.11 Entry sequenced data set (ESDS)" (PDF). ABCs of OS/390 System Programming - Volume 3 (PDF). Redbooks. International Technical Support Organization IBM. p. 108. ISBN 9780738416182. SG24-5653-00. Retrieved July 6, 2025. Although an entry-sequenced data set does not contain an index component, alternate indexes are allowed. You can build an alternate index to keep track of these RBAs.

justia.com (Global: 696^th place; English: 428^th place)

patents.justia.com

"US Patent for Providing record-level alternate-index upgrade locking".

microfocus.com (Global: low place; English: low place)

supportline.microfocus.com

"Server Functionality". Sequential (VSAM ESDS – Entry Sequenced Dataset)

psu.edu (Global: 207^th place; English: 136^th place)

citeseerx.ist.psu.edu

"ABCs of z/OS System Programming Volume 3". CiteSeerX 10.1.1.469.8853. An ESDS VSAM data set contains records in the order in which they were entered

tutorialZpoint.com (Global: low place; English: low place)

"VSAM – Components".

uark.edu (Global: low place; English: 6,604^th place)

walton.uark.edu

"VSAM: introductory".

wisegeek.com (Global: 4,238^th place; English: 3,536^th place)

"What is VSAM?". This index is called a B+ tree.