I can see that you are completely IGNORANT of mainframe technology. IBM is making tons of money on what you named LEGACY SYSTEM. Bank,Insurance,Health Care and Airline Industry to name a few. Try to run an airline reservation on a SUN....or on Linux..
I used Linux AND NT AND VMS AND AIX AND Solaris. My last customer was using Exchange Servers (2) for a total of 1000 users (email mainly). No down time in 4 months...Backup end of the week with ADSM, everything worked like a charm. They are using Linux for print and file server and Samba for a flawless service (on my advice) to provide this service to other platform (RS/6000 and Solaris). NT is very simple to run. A good maintenance is critical. I am using Linux at home because my NT box is crashing every 4 hours or so....
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I can see that you are completely IGNORANT of mainframe technology. IBM is making tons of money on what you named LEGACY SYSTEM. Bank,Insurance,Health Care and Airline Industry to name a few. Try to run an airline reservation on a SUN....or on Linux..
I used Linux AND NT AND VMS AND AIX AND Solaris. My last customer was using Exchange Servers (2) for a total of 1000 users (email mainly). No down time in 4 months...Backup end of the week with ADSM, everything worked like a charm. They are using Linux for print and file server and Samba for a flawless service (on my advice) to provide this service to other platform (RS/6000 and Solaris). NT is very simple to run. A good maintenance is critical. I am using Linux at home because my NT box is crashing every 4 hours or so....