The mainframe tag has no wiki summary.
4
votes
3answers
151 views
Building an improvised 'supercomputer' by connecting a number of used PCs in a LAN
I am in ongoing development of a simple but processor intensive computer program that I use for scientific research. It would be really helpful to have more processing speed. Right now I'm running Mac ...
161
votes
7answers
10k views
Purpose of a “mystery key” on an IBM PC 3270 keyboard
A colleague has just come into possession of a large number of IBM PC 3270 keyboards (don't ask!). These keyboards have a number of very interesting looking keys, but the one that most intrigued us ...
5
votes
5answers
295 views
What exactly is a mainframe and what exactly does a programmer do on that?
I have searched (googled) a lot but nothing answers me clearly. From what I get,
"huge" computers with "many" CPUs running "legacy" software written in "legacy" languages are mainframes and the ...
0
votes
1answer
198 views
What are the advantages of zLinux/Linux s390 on Hercules? [closed]
I set up Debian Linux s390 port to run on Hercules on an i386 computer.
I know that I can now develop apps or run apps that are ported to zLinux/s390 Linux, and perhaps also learn more about the ...
3
votes
2answers
103 views
Looking for a z/OS account
I am interested in experimenting with the IBM z/OS mainframe operating system. I am wondering if anyone knows of places on the 'net which offer a free remote account(even time-limited).
0
votes
2answers
82 views
System z primer?
I've worked a lot with more mid-range systems from IBM iSeries and pSeries. I'm having problems finding decent non-market-speak information on IBM System z/Mainframe. Yeah, I "get it" about ...
3
votes
9answers
7k views
Scope of Mainframe Technologies Today? [closed]
I have been recently allocated to training in Mainframe Technologies at my company (where I am currently working as a Trainee). I am slated to learn DB2, JCL, CICS, and Cobol during the programme. I ...
