Alan Zeichick inspiring article about how current programmers should adopt several attitudes that early mainframe developers considered an essential part of their skill sets.
Eight megabytes of memory is plenty. Or so we believed back in the late 1970s. Our mainframe programs usually ran in 8 MB virtual machines (VMs) that had to contain the program, shared libraries, and working storage.
Revisit four lessons I learned while programming mainframes:
- Minimize the cost of computation – especially for cloud computing
- For data processing, think headless
- Design and program for zero defects
- It’s not about refactoring: optimize up front
Learn in detail, what author meant, by following the link below.[Read More]