Mainframe, MVS and zOS Discussion

I find these as classic, from the article: Where it is impossible to replace legacy systems through the practice of application retirement, it is still possible to enhance (or "re-face") them. Most development often goes into adding new interfaces to a legacy system. The most prominent te...

I read the article and am more confused than before.

William Collins wrote:Nah. Another fashionable bit of nonsense, bandied about by people who know nothing about Mainframes and who feel that any Mainframe must be at least 30 years old.

What is non fashionable bit about it? Can you please help?

Google brought me here.

Hi,

What is a Legacy System? Are only mainframes Legacy System? Often I wonder, if it just means some systems which were built in the early years of computers or..?