Collected Postings
2023- Collected Postings,
2016-2022 Collected Postings,
2013-2015 Collected Postings,
2011-2012 Collected Postings,
2009-2010 Collected Postings,
2007-2008 Collected Postings,
2005-2006 Collected Postings,
2003-2004 Collected Postings,
2001-2002 Collected Postings,
1993-2000 Collected Postings,
Misc. Topic Organization --
Internet History Postings --
Old Email Index
Postings by various subjects
Misc. subthreads:
Memory Mapping & File System
Backup, storage management
Benchmarking, workload profile, capacity planning
Future system
Problem determination, zombies, dump readers
System/R, SQL/DS, misc RDBMS
Location/address independent code
Misc. commercial time-sharing
peer-coupled shared data
GML origin at science center
misc VAMPS and/or bounce lock
continuous availability, disaster survivability, geographic survivability
mentioning HASP
IBM DASD, CKD, FBA, vtocs, multi-track search, etc
BDAM and/or CICS
Unbundling and charging for software
First 360 PCM/OEM Controller
360/370 m'code
Other threads:
Misc. 545 Tech Sq and Cambridge Science Center
Disk Engineering
Performance and/or Scheduling
Cluster, High Availability and/or Loosely-Coupled
APL and/or HONE
Multiprocessor, tightly-coupled, SMP, compare&swap
Working Set, LRU, WSClock Page Replacement Algorithm
801 &/or ROMP
Memory Mapping & File System
- 2024e.html#75 IBM San Jose
- 2024e.html#68 The IBM Way by Buck Rogers
- 2024d.html#34 ancient OS history, ARM is sort of channeling the IBM 360
- 2024d.html#29 Future System and S/38
- 2024d.html#1 time-sharing history, Privilege Levels Below User
- 2024c.html#97 Virtual Memory Paging
- 2024c.html#40 CMS RED, XEDIT, IOS3270, FULIST, BROWSE
- 2024b.html#93 PC370
- 2024b.html#69 3270s For Management
- 2024b.html#18 IBM 5100
- 2024b.html#16 IBM 5100
- 2024.html#103 Multicians
- 2024.html#27 HASP, ASP, JES2, JES3
- 2023g.html#98 Shared Memory Feature
- 2023g.html#92 Shared Memory Feature
- 2023g.html#89 Shared Memory Feature
- 2023g.html#86 Shared Memory Feature
- 2023g.html#60 PDS Directory Multi-track Search
- 2023g.html#3 Vintage Future System
- 2023g.html#1 Vintage TSS/360
- 2023f.html#99 Vintage S/38
- 2023f.html#93 CSC, HONE, 23Jun69 Unbundling, Future System
- 2023f.html#65 Vintage TSS/360
- 2023f.html#56 The Most Important Computer You've Never Heard Of
- 2023e.html#48 VM370/CMS Shared Segments
- 2023d.html#100 IBM 3083
- 2023b.html#80 IBM 158-3 (& 4341)
- 2023b.html#49 CP67 "IPL-by-name"
- 2023b.html#6 z/VM 50th - part 7
- 2023b.html#0 IBM 370
- 2023.html#45 IBM 3081 TCM
- 2022h.html#44 360/85
- 2022h.html#27 370 virtual memory
- 2022f.html#44 z/VM 50th
- 2022e.html#56 Channel Program I/O Processing Efficiency
- 2022e.html#27 IBM "nine-net"
- 2022e.html#10 VM/370 Going Away
- 2022e.html#7 RED and XEDIT fullscreen editors
- 2022d.html#94 Operating System File/Dataset I/O
- 2022c.html#65 IBM Mainframe market was Re: Approximate reciprocals
- 2022b.html#54 IBM History
- 2022.html#89 165/168/3033 & 370 virtual memory
- 2022.html#85 HSDT SFS (spool file rewrite)
- 2022.html#65 CMSBACK
- 2022.html#61 File Backup
- 2022.html#41 370/195
- 2022.html#8 DEC VAX, VAX/Cluster and HA/CMP
- 2021k.html#132 IBM Clone Controllers
- 2021k.html#43 Transaction Memory
- 2021i.html#41 not a 360 either, was Design a better 16 or 32 bit processor
- 2021h.html#88 CMSBACK, ADSM, TSM
- 2021h.html#54 PROFS
- 2021h.html#48 Dynamic Adaptive Resource Management
- 2021g.html#34 IBM Fan-fold cards
- 2021g.html#30 Execute and IBM history, not Sequencer vs microcode
- 2021g.html#25 Execute and IBM history, not Sequencer vs microcode
- 2021e.html#65 SHARE (& GUIDE)
- 2021e.html#25 rather far from Univac 90/30 DIAG instruction
- 2021d.html#39 IBM 370/155
- 2021d.html#38 April 7, 1964: IBM Bets Big on System/360
- 2021c.html#16 IBM Wild Ducks
- 2020.html#32 IBM TSS
- 2020.html#30 Main memory as an I/O device
- 2019e.html#108 Dyanmic Adaptive Resource Manager
- 2019c.html#70 2301, 2303, 2305-1, 2305-2, paging, etc
- 2019b.html#14 Tandem Memo
- 2019b.html#5 Oct1986 IBM user group SEAS history presentation
- 2019b.html#4 Oct1986 IBM user group SEAS history presentation
- 2018e.html#95 The (broken) economics of OSS
- 2018c.html#70 Quantity of machine code programmers and quantity of Assembly programmers
- 2018.html#38 thrashing, was Re: A Computer That Never Was: the IBM 7095
- 2017j.html#95 why VM, was thrashing
- 2017j.html#90 thrashing, was Re: A Computer That Never Was: the IBM 7095
- 2017j.html#88 Ferranti Atlas paging
- 2017j.html#79 thrashing, was Re: A Computer That Never Was: the IBM 7095
- 2017j.html#34 Tech: we didn't mean for it to turn out like this
- 2017g.html#102 SEX
- 2017g.html#56 What is the most epic computer glitch you have ever seen?
- 2017f.html#87 How a few yellow dots burned the Intercept's NSA leaker
- 2017f.html#39 MVS vs HASP vs JES (was 2821)
- 2017e.html#3 TSS/8, was A Whirlwind History of the Computer
- 2017c.html#60 [EXTERNAL] ComputerWorld Says: Cobol plays major role in U.S. government breaches
- 2016h.html#101 Multitasking question
- 2016e.html#115 IBM History
- 2016c.html#12 You count as an old-timer if (was Re: Origin of the phrase "XYZZY")
- 2016b.html#112 You count as an old-timer if (was Re: Origin of the phrase "XYZZY")
- 2015h.html#93 OT: Electrician cuts wrong wire and downs 25,000 square foot data centre
- 2015h.html#59 IMPI (System/38 / AS/400 historical)
- 2015g.html#0 Miniskirts and mainframes
- 2015e.html#18 June 1985 email
- 2015d.html#3 30 yr old email
- 2015b.html#60 ou sont les VAXen d'antan, was Variable-Length Instructions that aren't
- 2015b.html#10 Oracle Sparc M7
- 2014m.html#115 Mill Computing talk in Estonia on 12/10/2104
- 2014k.html#77 Bell Picturephone--early business application experiments
- 2014k.html#73 Bell Picturephone--early business application experiments
- 2014k.html#48 1950: Northrop's Digital Differential Analyzer
- 2014k.html#39 1950: Northrop's Digital Differential Analyzer
- 2014k.html#36 1950: Northrop's Digital Differential Analyzer
- 2014k.html#34 1950: Northrop's Digital Differential Analyzer
- 2014k.html#31 1950: Northrop's Digital Differential Analyzer
- 2014k.html#30 1950: Northrop's Digital Differential Analyzer
- 2014i.html#88 z/OS physical memory usage with multiple copies of same load module at different virtual addresses
- 2014i.html#86 z/OS physical memory usage with multiple copies of same load module at different virtual addresses
- 2014i.html#85 z/OS physical memory usage with multiple copies of same load module at different virtual addresses
- 2014i.html#82 z/OS physical memory usage with multiple copies of same load module at different virtual addresses
- 2014i.html#71 z/OS physical memory usage with multiple copies of same load module at different virtual addresses
- 2014i.html#69 IBM Programmer Aptitude Test
- 2014i.html#66 z/OS physical memory usage with multiple copies of same load module at different virtual addresses
- 2014g.html#97 IBM architecture, was Fifty Years of nitpicking definitions, was BASIC,theProgrammingLanguageT
- 2014g.html#96 IBM architecture, was Fifty Years of nitpicking definitions, was BASIC,theProgrammingLanguageT
- 2014g.html#91 Fifty Years of nitpicking definitions, was BASIC,theProgrammingLanguageT
- 2014g.html#88 Fifty Years of nitpicking definitions, was BASIC,theProgrammingLanguageT
- 2014g.html#86 Fifty Years of nitpicking definitions, was BASIC,theProgrammingLanguageT
- 2014g.html#74 Fifty Years of nitpicking definitions, was BASIC,theProgrammingLanguageT
- 2014e.html#50 The mainframe turns 50, or, why the IBM System/360 launch was the dawn of enterprise IT
- 2014e.html#22 23Jun1969 Unbundling Announcement
- 2014d.html#59 Difference between MVS and z / OS systems
- 2014d.html#30 [OT ] Mainframe memories
- 2014d.html#27 [OT ] Mainframe memories
- 2014d.html#25 Mainframe memories
- 2014c.html#74 assembler
- 2014b.html#68 Salesmen--IBM and Coca Cola
- 2014.html#33 Warnings for the U.S. military about innovation and the information age: The Pentagon looks like a minicomputer firm
- 2013n.html#24 Aging Sysprogs = Aging Farmers
- 2013m.html#60 Open source software
- 2013m.html#50 Open source software
- 2013i.html#31 DRAM is the new Bulk Core
- 2013h.html#47 Storage paradigm [was: RE: Data volumes]
- 2013h.html#45 Storage paradigm [was: RE: Data volumes]
- 2013h.html#32 Getting at the original command name/line
- 2013h.html#16 How about the old mainframe error messages that actually give you a clue about what's broken
- 2013g.html#15 What Makes code storage management so cool?
- 2013c.html#71 What Makes an Architecture Bizarre?
- 2013c.html#32 REFRPROT History Question
- 2013c.html#31 REFRPROT History Question
- 2013.html#65 what makes a computer architect great?
- 2013.html#63 what makes a computer architect great?
- 2012o.html#66 ISO documentation of IBM 3375, 3380 and 3390 track format
- 2012o.html#43 Regarding Time Sharing
- 2012o.html#34 Regarding Time Sharing
- 2012n.html#35 390 vector instruction set reuse, was 8-bit bytes
- 2012m.html#16 ibm
- 2012l.html#75 PDP-10 system calls, was 1132 printer history
- 2012l.html#26 PDP-10 system calls, was 1132 printer history
- 2012k.html#50 1132 printer history
- 2012h.html#66 How will mainframers retiring be different from Y2K?
- 2012g.html#23 VM Workshop 2012
- 2012f.html#50 SIE - CompArch
- 2012f.html#40 STSC Story
- 2012f.html#29 which one came first
- 2012f.html#28 which one came first
- 2012b.html#4 CSC History
- 2012.html#14 HONE
- 2011p.html#112 SPF in 1978
- 2011p.html#48 Hello?
- 2011o.html#8 John R. Opel, RIP
- 2011m.html#64 JCL CROSS-REFERENCE Utilities (OT for Paul, Rick, and Shmuel)
- 2011m.html#34 CMS load module format
- 2011l.html#11 segments and sharing, was 68000 assembly language programming
- 2011l.html#6 segments and sharing, was 68000 assembly language programming
- 2011h.html#70 IBM Mainframe (1980's) on You tube
- 2011h.html#34 Happy 100th Birthday, IBM!
- 2011f.html#79 DCSS ... when shared segments were implemented in VM
- 2011f.html#76 PIC code, RISC versus CISC
- 2011f.html#71 how to get a command result without writing it to a file
- 2011f.html#67 Old email from spring 1985
- 2011e.html#72 Collection of APL documents
- 2011e.html#12 Multiple Virtual Memory
- 2011e.html#10 Multiple Virtual Memory
- 2011e.html#1 Multiple Virtual Memory
- 2011d.html#71 Multiple Virtual Memory
- 2011c.html#14 If IBM Hadn't Bet the Company
- 2011c.html#12 If IBM Hadn't Bet the Company
- 2011c.html#6 Other early NSFNET backbone
- 2011b.html#62 vm/370 3081
- 2011b.html#20 A brief history of CMS/XA, part 1
- 2011b.html#19 A brief history of CMS/XA, part 1
- 2011.html#74 shared code, was Speed of Old Hard Disks - adcons
- 2011.html#72 Speed of Old Hard Disks
- 2011.html#28 Personal histories and IBM computing
- 2011.html#21 zLinux OR Linux on zEnterprise Blade Extension???
- 2011.html#14 IBM Future System
- 2010p.html#37 Language first, hardware second
- 2010n.html#62 When will MVS be able to use cheap dasd
- 2010m.html#1 History of Hard-coded Offsets
- 2010l.html#75 Location of first programmable computer
- 2010l.html#20 Old EMAIL Index
- 2010l.html#19 Old EMAIL Index
- 2010k.html#35 Was VM ever used as an exokernel?
- 2010j.html#38 Information on obscure text editors wanted
- 2010g.html#67 Interesting presentation
- 2010f.html#11 IBM And Microsoft Clash Over Unbundling Policy
- 2010f.html#10 What was the historical price of a P/390?
- 2010e.html#25 HONE Compute Intensive
- 2010e.html#21 paged-access method
- 2010d.html#70 LPARs: More or Less?
- 2010c.html#46 Mythical computers and magazine reviews
- 2010c.html#36 Processes' memory
- 2010c.html#14 Processes' memory
- 2010c.html#5 Processes' memory
- 2010.html#46 locate mode, was Happy DEC-10 Day
- 2010.html#42 Happy DEC-10 Day
- 2009r.html#68 360 programs on a z/10
- 2009q.html#66 spool file data
- 2009q.html#19 Mainframe running 1,500 Linux servers?
- 2009o.html#12 Calling ::routines in oorexx 4.0
- 2009k.html#68 And, 40 years of IBM midrange
- 2009k.html#65 Java question
- 2009j.html#77 More named/shared systems
- 2009j.html#73 DCSS ... when shared segments were implemented in VM
- 2009j.html#67 DCSS
- 2009h.html#72 Operating Systems for Virtual Machines
- 2009h.html#63 Operating Systems for Virtual Machines
- 2009e.html#55 Gone but not forgotten: 10 operating systems the world left behind
- 2009e.html#44 Architectural Diversity
- 2009e.html#39 Gone but not forgotten: 10 operating systems the world left behind
- 2009e.html#34 Gone but not forgotten: 10 operating systems the world left behind
- 2009e.html#14 Future System
- 2009c.html#54 THE runs in DOS box?
- 2009.html#17 Magnetic tape storage
- 2008s.html#56 Computer History Museum
- 2008s.html#39 The Internet's 100 Oldest Dot-Com Domains
- 2008r.html#21 What if the computers went back to the '70s too?
- 2008o.html#55 Virtual
- 2008o.html#50 Old XDS Sigma stuff
- 2008j.html#1 OS X Finder windows vs terminal window weirdness
- 2008i.html#79 OS X Finder windows vs terminal window weirdness
- 2008h.html#79 Microsoft versus Digital Equipment Corporation
- 2008h.html#76 Microsoft versus Digital Equipment Corporation
- 2008h.html#73 Microsoft versus Digital Equipment Corporation
- 2008g.html#22 Was CMS multi-tasking?
- 2007u.html#83 IBM mainframe history, was Floating-point myths
- 2007u.html#81 IBM mainframe history, was Floating-point myths
- 2007t.html#72 Remembering the CDC 6600
- 2007r.html#67 CSA 'above the bar'
- 2007r.html#62 CSA 'above the bar'
- 2007o.html#48 Virtual Storage implementation
- 2007l.html#61 John W. Backus, 82, Fortran developer, dies
- 2007l.html#49 Drums: Memory or Peripheral?
- 2007j.html#43 z/VM usability
- 2007j.html#41 z/VM usability
- 2007g.html#66 Memory Mapped Vs I/O Mapped Vs others
- 2007g.html#14 ISPF not productive
- 2007f.html#33 Historical curiosity question
- 2007f.html#14 more shared segment archeology
- 2007e.html#17 A way to speed up level 1 caches
- 2007d.html#23 How many 36-bit Unix ports in the old days?
- 2007d.html#7 Has anyone ever used self-modifying microcode? Would it even be useful?
- 2007c.html#23 How many 36-bit Unix ports in the old days?
- 2006y.html#35 The Future of CPUs: What's After Multi-Core?
- 2006y.html#26 moving on
- 2006y.html#20 moving on