hanco...@bbs.cpcn.com writes:
As I understand it, years ago in foreign countries telephone capacity
was limited and phones were expensive, thus many people did not have
them. When cell phones came out, it represented a whole new
infrastructure that exploded, and many people got connected that
p...@voltage.com (Phil Smith) writes:
VM/XA MA begat VM/XA SF begat VM/XA SP, which eventually moved to
Endicott, and became VM/ESA and then z/VM. The core of VM/XA was
actually much better than VM/SP; as a developer I found it much easier
to work with.
re:
cfmpub...@ns.sympatico.ca (Clark Morris) writes:
On a logical basis I agree with you but has the 24/7/365 shortcut for
continuous availability become so pervasive that it is the shorthand
way for saying it and is it the way that the general public as opposed
to us professional nitpickers best
bfairch...@rocketsoftware.com (Bill Fairchild) writes:
And the general public, many Dilbertian managers, and even some of us
professional nitpickers, think that a job running 1 hour instead of 10
is 900% faster, and that 1 is 10 times smaller than 10. 2+2 no longer
= 5; now it equals
r.skoru...@bremultibank.com.pl (R.S.) writes:
BTW: I heard about 1-inch tapes. Is it true? Did such wide tapes exist?
Current cartridges are 1/2 inch wide. The article says that 729 was
also 1/2 inch.
how do you feel about 3850
p...@voltage.com (Phil Smith) writes:
And the VM/XA SPOOL system in general was super-robust - I wrote a
system mod (product) that tinkered with SPOOL, and while I created
SPOOL files that couldn't be seen, and couldn't be opened, and
couldn't be purged by normal means, I *never* took out the
VM had dasd read/only for volser (vol1 record) to identify each mounted
disk. VM r/w activity was limited to vm page formated disks.
CMS running in virtual machine had support for cms filesystems and some
primitive support for real formated OS DOS disks. regarding
incorrently rewriting vtoc ...
paulgboul...@aim.com (Paul Gilmartin) writes:
And somewhere in there, there was something like VM/XA/SF (System
Facility), intended to allow virtual machines for development and
testing, but not to support emigration of the OS workload as happened
in the VSCR crisis.
re:
john.mck...@healthmarkets.com (McKown, John) writes:
http://www.phoronix.com/scan.php?page=articleitem=plugable_multiseat_kicknum=1
This is a USB device which can plug into a normal PC running Linux
(Fedora 17 is mentioned). You then connect a DisplayLink monitor, USB
keyboard and mouse to
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
This is a case where I prefer the Burroughs notation; they called the
equivalent flag the presence bit, which is more neutral.
page transfers/io is done with channel programs which have real
addresses.
virtual memory has segment
mitchd...@gmail.com (Dana Mitchell) writes:
And another disparaging remark against IBMs 'Information Center': I'm
trying to use two different levels for IBM i this morning, both of
them are stuck on 'indexing' they then eventually fail.
Information center indeed!
a couple recent posts
mike.a.sch...@gmail.com (Mike Schwab) writes:
Since they have AIX on Power, how about zIX or MIX. One concern I
have is an operating system name without z/OS implies a completely
independent operating system, not a subsystem of z/OS.
re:
http://www.garlic.com/~lynn/2012e.html#13 A z/OS
scott_j_f...@yahoo.com (Scott Ford) writes:
You can't be serious...never never heard of anyone developing a virus
for mainframes, I understand the fear, but firewalls, network apps do
rat in front of the mainframe
this discussion group, mailing list originated on BITNET ... recent
discussion
dickbond...@gmail.com (Dick Bond) writes:
I agree with Chris Mason. IBM should have never started called it USS -
how about a simple definitive abbreviation, like zUnix. IBM adores
putting a z in front of everything (for some clueless reason) so why
should their version of Unix be any
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
Virtual multiprocessors go back to the late 1950's[1] and early
1960's[2], although IBM and Intel came late to the game.
[1] Honeywell 800
[2] Peripheral Processors on CDC 6600
re:
http://www.garlic.com/~lynn/2012d.html#73
Anne Lynn Wheeler l...@garlic.com writes:
data-transfer channel program. Cache operation was also write
store-through ... aka synchronous to disk ... and no indication that
3880 controller would do its own seek operation (to move to different
track for pre-fetch) independent of what
maryanne4...@gmail.com (Mary Anne Matyaz) writes:
Customer designs a new datacenter, moves in, has an issue where a guy
in a backhoe clips the incoming power source. Customer is patting
themselves on the back for the wisdom of having two separate power
lines, one on each side of the building.
ronjhawk...@sbcglobal.net (Ron Hawkins) writes:
I didn't get to work with the 3880-13, but with the 3880-23 I think I recall
sequential pre-fetch was initially fetching three tracks, using a
wrap-around buffer to keep track of the last block read and maintaining two
tracks beyond the last
ronjhawk...@sbcglobal.net (Ron Hawkins) writes:
I'm afraid sequential pre-fetch kinda of makes your point invalid for
sequential IO.
when ibm first came out with full-track cache (3880-13/sheriff) ... it
advertised a 90% hit rate ... based on 3380 track, 10 records per track
and sequential
m42tom-ibmm...@yahoo.com (Tom Marchant) writes:
To look at it another way, cache exists because main storage is very
slow compared to the processor speed. Without cache, the processor
would not be able to execute instructions nearly as fast as it could.
Cache allows data from main storage to
johnwgilmore0...@gmail.com (John Gilmore) writes:
The original design of CICS envisaged making elegant use of the
announced facilities of OS/MVT. When the time came to implement CICS
1) some of these facilities were not yet available and 2) some of them
did not yet work reliably. The
edgould1...@comcast.net (Ed Gould) writes:
We used to run MFT and everyday we changed the partition sizes without
an IPL.
Now if you are saying to change from MFT to MVT then indeed an IPL was
needed,
as well PCP to MFT (or for that matter MVT)?
The OS is the key issue and indeed VM you can
martin_pac...@uk.ibm.com (Martin Packer) writes:
One experience from teleworking which should appeal to mainframers: By and
large 3270 is the least demanding data stream - so TSO / ISPF goes fast
even on broadband as crummy as mine. (It's all the other junk that runs
really slowly when the
charl...@mcn.org (Charles Mills) writes:
I've been doing remote mainframe development since 1200 baud dial-up was
state-of-the-art. You need almost no bandwidth at all for 3270. You can
refresh an entire 3270 screen with at most 4K or so characters, and ISPF
does a pretty clever job of
chrisma...@belgacom.net (Chris Mason) writes:
Back in 1967/8, a colourful customer on the patch to which I belonged
was running PCP on a 64K machine and it may have been a 360/40. Our
ace young salesman had been responsible for this! IIRC this was
considered the opposite of the leading edge
re:
http://www.garlic.com/~lynn/2012c.html#34 nested LRU schemes
the default 3880-11 page/record cache scenario was 3081 with 32mbytes of
real storage and 3880-11 controller with 8mbytes of cache. Every record
read through controller cache would initially be in both the cache and
3081 memory. A
glen herrmannsfeldt g...@ugcs.caltech.edu writes:
It seems to me that adaptive algorithms are more likely to sync
to each other when nested. But how about one that examines every
Nth page, (hopefully N is prime), such that they won't be the
exact same pages. Or even using a more random path,
glen herrmannsfeldt g...@ugcs.caltech.edu writes:
I sort of know how the algorithms work, but now I looked at:
http://en.wikipedia.org/wiki/Page_replacement_algorithm
I had thought that for the clock algorithm that there would be
some parameter that affects how the clock works, a time
glen herrmannsfeldt g...@ugcs.caltech.edu writes:
Some of this is described in the above mentioned web page.
It seems that some improvements have been made along the way.
Also described is precleaning, where you write out a page in
anticipation of its need for replacement.
re:
re:
http://www.garlic.com/~lynn/2012b.html#98 5 Byte Device Addresses?
http://www.garlic.com/~lynn/2012b.html#100 5 Byte Device Addresses?
http://www.garlic.com/~lynn/2012c.html#16 5 Byte Device Addresses?
http://www.garlic.com/~lynn/2012c.html#17 5 Byte Device Addresses?
glen herrmannsfeldt g...@ugcs.caltech.edu writes:
It would seem less likely that they would use the exact same
replacement algorithm, but could eventually lock, anyway.
re:
http://www.garlic.com/~lynn/2012b.html#98 5 Byte Device Addresses?
http://www.garlic.com/~lynn/2012b.html#100 5 Byte
zedgarhoo...@gmail.com (zMan) writes:
Then you've forgotten the learning curve:
CMS - *IX: minimal
CMS - TSO: moderate
CMS - GUI: Large
folklore is that *IX (and numerous *IX work-alikes) came from
simplification of MULTICS.
some of the CTSS people went to the 5th flr of 545 tech sq and
glen herrmannsfeldt g...@ugcs.caltech.edu writes:
That is, as I understand it, pretty close to how it started out.
Among others, though OS/VS1 has special features for running
under VM that OS/VS2 never got. It has the ability to switch
to a different task while VM is paging a task. That
stars...@mindspring.com (Lizette Koehler) writes:
PCI has to do with Payments for Credit Cards and their security.
PCI was somewhat in response to the cal. state data breach discloser
(and later other states) legislation.
we were tangentially involved being, brought in to help wordsmith
the
johnwgilmore0...@gmail.com (John Gilmore) writes:
The original System/360 scheme was simple and in its way elegant.
01F---decodable unambiguously into (multiplexor) channel 0, control
unit 1, and that control unit's device F or 15---was, for example, the
usual device address of the card punch
hal9...@panix.com (Robert A. Rosenberg) writes:
No Bill is right. OS/VS2 Release 2 WAS MVS like OS/VS2 Release 1 was
SVS. SVS was OS/360 MVT with Virtual Addresses (SVS was a single 16MB
Address Space with which was divided into smaller areas for the
programs to use, just like MVT). MVS made
arthur.gutow...@compuware.com (Art Gutowski) writes:
Patterned after centuries (millenia?) of cultural character - raze the
conquered and build your empire on the remains.
re:
http://www.garlic.com/~lynn/2012b.html#74 IBM Doing Some Restructuring?
http://www.garlic.com/~lynn/2012b.html#76 IBM
edja...@phoenixsoftware.com (Edward Jaffe) writes:
It's hard for me to understand how any serious development projects
can be done by temps. Software development is not a math problem. You
can't just throw bodies at it to get things done more quickly. You
need a smallish group of highly
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
So even if plaintext is enough for the time being, any requirement you
submit to IBM should ask for a full implementation.
related, recent long-winded post in a different mailing list
http://www.garlic.com/~lynn/2012b.html#71
edja...@phoenixsoftware.com (Edward Jaffe) writes:
http://socialbarrel.com/ibm-job-cuts-in-germany-8000-may-be-laid-off/31574/
Rumor has it that IBM is laying off up to 40% of its workforce in
Germany. At the same time they are testing a new global temporary
worker program that they believe
r.skoru...@bremultibank.com.pl (R.S.) writes:
Yes and no.
It depends on definition of real CKD device.
Actually 3390 and 3380 were FBA under the cover. The data cells (32
or 34 bytes) were the fixed size sectors. Indeed, the device was not
emulated - physical disc was presented as single I/O
paulgboul...@aim.com (Paul Gilmartin) writes:
But doesn't PDSE emulate FBA under CKD emulated on RAID
implemented on FBA? Even as VM/CMS emulates FBA for MDFS.
CMS has been logical FBA (on real CKD) all the way back to cp40/cms
... when it was originally developed ... and was called cambridge
joa...@swbell.net (John McKown) writes:
I was a FidoNet user. A sort of distributed BBS network. Dial into a
local node, pick up and send messages. The local nodes would exchange
messages throughout the day (usually at night). Dial in the next day to
get the newly distributed message. Repeat
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
And many others. Unlike CompuServe, the typical BBS didn't use a
proprietary protocol. For that matter, neither did fido.
BTW, I know of at least one BBS that supports zmodem over telnet.
re:
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
The Internet[1] is not the Web. Before the WWW, we had Archie, FTP,
Gopher and other services that in many ways were more convenient than
the WWW, and certainly more reliable.
[1] A vast WAIS-land.
re:
joa...@swbell.net (John McKown) writes:
IBM once owned the Stratus line, a competitor to Tandem, and called it
the System/88.
http://en.wikipedia.org/wiki/Stratus_Technologies
minor nit *not owned* ... provided enormous amount of money to rebrand
sell as system/88. there is some folklore
David Kanter dkan...@gmail.com writes:
http://www.realworldtech.com/page.cfm?ArticleID=RWT010312153140
Hopefully you all find this an interesting and enjoyable read.
related posts about maximum configured z196 at 50BIPS
http://www.garlic.com/~lynn/2012.html#23 21st Century Migrates Mainframe
linda.lst...@comcast.net (Linda Mooney) writes:
That's really tiny! Just in my career - The first machine I was paid
to work with was a 4341 with 8MB and 8 channels. My IPhone has
32MB. The possibilities of 2.5 Petabytes is, well, an awful lot. I
can't help but wonder what some of the early
from:
http://www.garlic.com/~lynn/2012.html#20 21st Century Migrates Mainframe with
Clerity
numerous mega-datacenters around the world, any one possibly with more
BIPS than total aggregate mainframe installed BIPS
and from:
http://www.garlic.com/~lynn/2012.html#23 21st Century Migrates
glenn.schn...@suntrust.com (Schneck.Glenn) writes:
Although there may be some 'success' stories the issue I have with most
vendors is where they tout - We migrated this company off the mainframe
and save 10,000+ MIPS. In reality they probably moved a small
application of about 1000 - 2000
re:
http://www.garlic.com/~lynn/2012.html#20 21st Century Migrates Mainframe with
Clerity
other measures TPC-C:
http://www.tpc.org/tpcc/results/tpcc_perf_results.asp
ibm has six in the top ten ... power ... but also @#8#10 using (older)
quad-core Xeon (but they are also the lowest price/tpmC)
martin_pac...@uk.ibm.com (Martin Packer) writes:
Funnily enough I mused on Kindle MOBI / AZW format re Redbooks on Twitter
just now. (You can guess what I got for Xmas.) :-)
I'd like to have the discussion on how to format for Kindle with the right
people. In ITSO (the Redbooks people) we
scott_j_f...@yahoo.com (Scott Ford) writes:
I agree , it would give the people who use the manuals, aka the
readers more options.
I merged the multiple postscript files from Melinda's VM and the VM
Community: Past, Present, and Future into single PDF file and then also
ran it through Amazon's
jcew...@acm.org (Joel C. Ewing) writes:
If you can get a text-based PDF document from the original source,
that would certainly be preferable, as that allows text searching
capability. But, if all you have is a hard copy, none of the current
freely-available OCR tools come close to preserving
re:
http://www.garlic.com/~lynn/2011p.html#106 SPF in 1978
http://www.garlic.com/~lynn/2011p.html#107 SPF in 1978
I had originally done extended sharing on cp67 along with paged-mapped
CMS filesystem ... which I then converted to vm370 ... some old email
jim.marsh...@opm.gov (Jim Marshall) writes:
In 1978 I had the honor to have the first IBM 3032 shipped (#06)
into the Pentagon when I worked at the Air Force Data Services Center.
I already had in place an IBM 360-75J which ran TSO. With the IBM
3032 came IPO 1.0 and we also receive the
eric-ibmm...@wi.rr.com (Eric Bielefeld) writes:
You're career sounds frighteningly like mine. I started as a systems
programmer in 1978 at Milwaukee County, where I worked before as an
operator and then an applications programmer. We had a 3032 also, but
I thought it came in around 1975 or
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
Certainly. If I recall correctly, MDF was implemented in what Amdahl
called macrocode, not by dedicated hardware. So what triggered the
redispatch at the end of a time slice if not an external interrupt?
the guys doing MDF use to
paulgboul...@aim.com (Paul Gilmartin) writes:
Or do utilities not count as applications? Define application. Again,
I'm confident that at least one very old application would accept
(define accept) lower case, at least in comments. And very old
assemblers tolerated lower case in macro
ibm-m...@snacons.com (Roger Bowler) writes:
This would have been the IBM 3277 Data Entry keyboard. Page 25 of
GA27-2749-5_3270descr_Nov75.pdf at bitsavers shows two forms of the
Data Entry keyboard both having PF1-PF5 keys neatly hidden amongst the
other keys in the top right area of the
lindy.mayfi...@sas.com (Lindy Mayfield) writes:
Interesting, if I am correct, they took long time to implement a
resolver. If so, how were hostnames resolved?
re:
http://www.garlic.com/~lynn/2011p.html#42 z/OS's basis for TCP/IP
http://www.garlic.com/~lynn/2011p.html#43 z/OS's basis for TCP/IP
svet...@ameritech.net (scott) writes:
Just was wondering where TCP/IP stack came from for use in z/OS? Did
it originate from the University of Berkley?
I hadn't followed the recent.
The original mainframe tcp/ip stack product was implemented on vm370 in
(mainframe) vs/pascal ... purely IBM
re:
http://www.garlic.com/~lynn/2011p.html#42 z/OS's basis for TCP/IP
this talks about bsd 4.3 tahoe (june 1988) and reno (early 1990)
distributions ... I've still got original source distribution
backed up someplace
http://en.wikipedia.org/wiki/Berkeley_Software_Distribution
All the BSD stuff
re:
http://www.garlic.com/~lynn/2011p.html#42 z/OS's basis for TCP/IP
http://www.garlic.com/~lynn/2011p.html#43 z/OS's basis for TCP/IP
this is post here on ibm-main last april
http://www.garli.com/~lynn/2011f.html#29 TCP/IP Available on MVS When?
http://www.garli.com/~lynn/2011f.html#30 TCP/IP
bzeeb-li...@lists.zabbadoz.net (Bjoern A. Zeeb) writes:
Otherwise you can probably still get them from a friend or a more
complete (source) history from here (for a small fee):
http://www.mckusick.com/csrg/index.html
re:
http://www.garlic.com/~lynn/2011p.html#42 z/OS's basis for TCP/IP
l...@garlic.com (Anne Lynn Wheeler) writes:
IADMIN ADMINISTRATIVE INFORMATION
ORDERING INFORMATION
The HONE configuration aid CFPROGS may be used to determine
ordering information. The HONE aid SYSLINK may be used to transmit
l...@garlic.com (Anne Lynn Wheeler) writes:
Two computers systems proved invaluable for producing this report. Draft
copies were edited on the Tymshare VM system. The final report was
produced on the IBM Yorktown Heights experimental printer using the
Yorktown Formatting Language under VM/CMS
Barry Schrager barryschra...@cs.com writes:
This all disturbs me. 30 years ago, companies were willing to invest their
personnel time in activities like this. This not only improves our
profession but builds an expertise that many claim are lacking.
I have a SHARE paper I wrote in 1974
I finally got approval from SHARE for making scanned copy of 1970 SHARE
LSRAD Report on bitsaver ... aka
http://bitsavers.org/pdf/ibm/share/
I've forwarded scanned copy along with permission, hopefully it will be
showing up shortly. Old reference with intro/ack ... post from when
I first
elardus.engelbre...@sita.co.za (Elardus Engelbrecht) writes:
Not everyone can program properly. Not everyone can program a fast
tight code specially optimised for that specific record layout and
format and do it in Assembler. Those teenagers who can program in PL/I
are very good, I admit, but
l...@garlic.com (Lynn Wheeler) writes:
23jun69 unbundling announcement starting to charge for application
software, SE services, etc (made case that kernel/operating system was
still free). misc. past posts
http://www.garlic.com/~lynn/submain.html#unbundle
another result of unbundling
george.mos...@icbc.com (Mosley, George) writes:
Does anyone remember, and better still, have a copy of a humourous
piece poking fun at IBM from years ago called (as I recall) The End
of OS?
previous postings
http://www.garlic.com/~lynn/2003j.html#38 Virtual Cleaning Cartridge
re:
http://www.garlic.com/~lynn/2011n.html#84 Scanning JES3 JCL
i was brought into boeing hdqtrs summer of 1969 as part of helping get
boeing computer services (BCS) up and running. they had machine room at
hdqtrs (boeing field) with 360/30 for payroll and misc. other hdqtrs
administration. It
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
384KiB? We ran PCP on 128 and MFT II on 256. I know of places that ran
on 64.
i started on on 64kbyte 360/30 running PCP (i think it was around
release 6). I had student job to port 1401 MPIO (tape-unit record
front-end to 709) to
ps2...@yahoo.com (Ed Gould) writes:
John,
Way back in the '70's I used to work on a online savings system. At
that time all banks were closed on weekends. It was great as we had
test time a plenty. We ran into a time crunch was every quarter we had
to calculate interest before 8 AM. We had
joa...@swbell.net (John McKown) writes:
Depends on the printer. 0x0A on many DecWriters did both a CR and an LF
function. That's why UNIX defaulted that way, from what I was told. No
need to do any character translation or additions if you just did a cp
to the device. Of course, Windows via
st...@trainersfriend.com (Steve Comstock) writes:
Well, I just tried to do some online credit card account maintenance
with my Capital One card, and got the message 'System Unavailable'. I
called tech support and they said they were doing maintenance on the
system. Regular weekend maintenance.
johnwgilmore0...@gmail.com (John Gilmore) writes:
sit tibi terra levis, John.
LISP and the world view it embodies will, I suppose, be his monument;
but he changed everything he touched.
The very full obituary in today's New York Times ends by citing one of
his favorite apothegms:
Do the
glen herrmannsfeldt g...@ugcs.caltech.edu writes:
Note, for example, the IBM 2741 does not use EBCDIC, but its
own code, with its own control characters.
but all the 2741 characters were defined in EBCDIC. when cp67 was
installed at the univ in jan68 ... it had 2741 and 1052 terminal ... but
efinnel...@aol.com (Ed Finnell) writes:
Thanks for getting us back on track. We used to drift to old hardware and
microfiche. Now we drift to polymorphism...sign of the times
re:
http://www.garlic.com/~lynn/2011n.html#12 Chaos feared after UNIX time-zone
database if nuked
for the fun of it,
a couple references (internet time zone database)
ICANN rescues time zone database
http://www.theregister.co.uk/2011/10/16/icann_rescues_time_zone_database/
http://lxnews.org/2011/10/17/icann-taking-over-olson-db/
we had started ha/6000 in the 80s ... and then I coined the marketing
term HA/CMP to also capture the work on cluster scaleup (work for
both commercial and numerical intensive) ... more recently renamed
PowerHA
http://www-03.ibm.com/systems/power/software/availability/aix/index.html
under my
jrobe...@dhs.state.ia.us (Roberts, John J) writes:
I'm surprised the old-timers didn't comment on my mention of APL.
This was the original write-only language - maintenance was only
possible by the original author. It was very heavily touted by IBM in
the early 70's.
somewhat because of
ps2...@yahoo.com (Ed Gould) writes:
My memory sort of agrees with the above and I will accept your memory.
We used to have a full time SE from sometime in 196x's to the mid-late 1970's.
My recollection from talking with him was that HONE was used for all
configuration(s). Was that not the
l...@garlic.com (Anne Lynn Wheeler) writes:
APL is an interpreted language ... after doing lots of work to optimize
virtual paging and aggregate real storage footprint ... APL remained
computational intensive. That contributed to HONE having growing number
of high-end multiprocessors
glen herrmannsfeldt g...@ugcs.caltech.edu writes:
I once had PL/I (F) running on an AT/370, about 5 minutes
to compiler a five line program.
re:
http://www.garlic.com/~lynn/2011m.html#61 JCL CROSS-REFERENCE Utilities (OT for
Paul, Rick, and Shmuel)
http://www.garlic.com/~lynn/2011m.html#62
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
That worked on more than the 3270 family; it also worked on the
console[1] of the 360/168.
[1] Compatible with nonthing except the consoles of the 360/85 and
370/165.
re:
http://www.garlic.com/~lynn/2011m.html#30 CMS load
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
Yes, but could you enter macro invocations in the prefix area, or only
predefined line commands? XEDIT had prefix macros and a SET PENDING
command so that a prefix macro could insert macro invocations into the
prefix areas, to be
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
ITYM decent. Did EDGAR have prefix macros like XEDIT had?
xedit wiki
http://en.wikipedia.org/wiki/XEDIT
what i remember was that in the above typical screen layout ... was
that prefix area was standard EDGAR feature and there was
li...@akphs.com (Phil Smith III) writes:
Yes, Edgar was an add-on product. It was somewhat similar to XEDIT in
a lot of ways. There were apparently a number of full-screen CMS
editors inside IBM, but XEDIT is the one that got picked for VM/SP.
x-over from z/vm mailing list:
p...@voltage.com (Phil Smith) writes:
Yeah, editors are definitely religion. But ISPF on VM sucked
unequivocally just because of how fragile it was, due to how they
implemented it - whether you liked the functionality or not, having to
deal with it breaking all the time was horrible. And left
peter.far...@broadridge.com (Farley, Peter x23353) writes:
IIRC there is no easy FTP in or out of VM/370. Your only real
transfer capability is the VM/370 system reader and punch. The VMARC
format (like XMIT) packages text in 80-byte records and can be
transmitted back and forth using reader
riv...@dignus.com (Thomas David Rivers) writes:
Can anyone point me to a description of the CMS non-relocatable
load module format? I can't seem to find it anywhere...
(i.e. the output of the CMS GENMOD command.)
old/original ... part of vm370/cms release 6 dmsmod assemble file from
Eric Jackson jh...@ca.rr.com writes:
For MVS, unlike most other platforms, the terms swapping and
paging refer to distinct operations. Paging is for a page of memory
in an address space, and swapping is when the entire address space is
swapped out to secondary storage. TSO address spaces
bherr...@txfb-ins.com (Herring, Bobby) writes:
TOD Clock switch AFAIK came in with the 370. I remember it
specifically on the 168 my memory is iffy on the 155/158 but I think
it was there, no experience on the 14X .
If it was there on the 360s I never heard/saw anything about it.
TOD was
re:
http://www.garlic.com/~lynn/2011k.html#27 CLOCK change problem
32bit value with 15hr duration ... different models decrement bits
depending on timer resolution of the model.
re:
http://www.bitsavers.org/pdf/ibm/360/funcChar/GA24-3231-7_360-30_funcChar.pdf
pg. 29, Interval Timer
The Model
chrisma...@belgacom.net (Chris Mason) writes:
The 2540 was an enormously versatile machine in that it not only
supported the card reading function but also the card punching
function.
http://www.columbia.edu/cu/computinghistory/2540.html
Google ad: first hit with search words IBM 2540
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
You really mean 709 and not 7090? That's a big jump!
re:
http://www.garlic.com/~lynn/2011k.html#8 Last card reader?
univ. supposedly had something like #3 709, thousands of tubes that
constantly required maintenance ... something
steve.do...@ccbcc.com (Steve Dover) writes:
Phil, we had one at Allstate Insurance until 1990. 2540 reader/punch.
I sure miss the chads, they were great fun in desks and cars. But I
do not miss hauling the 50 pound boxes around.
as undergraduate in the 60s ... univ. was using sense-marked
ps2...@yahoo.com (Ed Gould) writes:
Wasn#39;t there a card reader as a requirement for 3090 and before
so the CE could install the OLTEP program and a rudimentary IOCDS to
run his diagnostics?
3092 (3090 service processor) was a pair of 4361s running a special
custom vm370 release 6 off of
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