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Can anybody tell me the future of mainframe in coming decades ???

currently I'm working on hogan cobol. it's syntax and semantics are different than normal cobol.
Can anybody tell me the number of companies working on this and about it's future ????

can anybody let me know the freely.available emulators for pl1 / cobol as i want to do the hands on it in order to get expertise in it.

can anybody tell me the name of any public sector companies which uses mainframe ?
also, tell me the procedures involved in it and how to prepare for it.

Hi,

I'm fresher in the field of mainframe. Can anybody tell me what is future of mainframe in upcoming decade ?

Hi,

can anybody suggest me which book to refer for pointer concept in PL1.

Also I'm new in the field of mainframe can anybody suggest me how it's future in the upcoming decade ?

Is it worthwhile to continue with this technology ?