Mainframe generally refers to the z/Architecture family of IBM computers which traces its ancestry back to the System 360 introduced by IBM in 1965. The most recent z/Architecture model is the z/Enterprise EC12 introduced in the fall of 2012. The operating system used by these machines can be ...
0
votes
0answers
11 views
Data conversion and encoding CP037 [closed]
My system reads data from Websphere MQ which comes from Mainframe queues, the data which application reads is in EBCDIC format -
It was working fine earlier, we moved to jdk1.6 earlier this year (Not ...
-2
votes
1answer
135 views
What is the difference, between a server and a mainframe? [closed]
To me, it seems as though "mainframe" is a somewhat dated term; is it simply an older synonym of "server," or does it server a purpose more similar to a cluster/supercomputer?
45
votes
21answers
19k views
Why aren't young programmers interested in mainframes?
A key issue with mainframes is that the cohort of supporting programmers is dwindling. While normally this wouldn't be a problem in that a falling supply of programmers would be offset by an ...
3
votes
2answers
208 views
Do you consider mainframe as part of large application deployments?
When you are setting up your system landscape for large and/or multiple application deployments, do you consider mainframe? If not, why not? If so, what factors are you considering.
If you take a ...
2
votes
1answer
289 views
COBOL program or JCL?
I have to perform 3 tasks:
an insert, a delete, and a write
I'm not sure what the best way to do this is. My mainframe program design skills aren't too tight, so I was looking for advice.
Could I ...
11
votes
7answers
1k views
What are the advantages of mainframes? [closed]
The downsides of Mainframes is well trodden ground; expensive, legacy, dwindling community, etc.
I'm not particularly interested in the downsides, but I am curious if there are any benefits to ...
2
votes
2answers
272 views
What's new in PL/I, DB2, and S/390 assembler?
I have an upcoming technical interview with a former employer that will focus on PL/I, DB2, and ISPF. The job will be with systems that I architected and wrote myself 20 years ago. The few years of ...
9
votes
8answers
1k views
Are there still any companies/academic centers that use mainframes from 60s-70s?
As a young software engineer, I often hear other colleagues talk about the days of punch cards and "computers as big as the room."
The earliest memories of computers that I have involve MS DOS and ...