Mainframe Facts
It doesn’t matter that u r a mainframe Professional or not, but the facts are amazing ……. and fact no. 16 is the most amazing!!!!! !!!!!
- The mainframes hold approximately “70 % “of the entire data stored in this planet.
- The latest ones can support over 25,000 users
- They can support devices spread over 26 miles using fiber optics
- The size of the “basic” OS is about 14 GB
- This OS comes in about 57 magnetic tapes, But latest with 4 tapes
- It takes ATLEAST a month to install and customize a basic mainframe OS configuration.
- It takes around 3 full days for a mainframe to get up and running
- Basic configuration for development environment costs 8 crores (hardware + Software)
- A full team of qualified system operators are always required to be on stand by to ensure successful operation
- Earlier mainframes were provided with cooling pipes through which cold water was passed to cool the system(TCS have one in Chennai facility)
- Recent mainframes have variable speed fans in the cabinet to keep it cool.
- Have u ever heard of a mainframe system being hacked??? Mainframes are one of the most secure data installations ever
- You cannot buy the mainframe OS, but u’ll have to pay a license to use it. The cost?? cool …1.5 crores a year.
Finally, mainframes today r the most preferred data servers for even the most hi-fi of the organizations! - So far no virus has attacked Mainframes
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16. Most of the people working on Mainframe had never seen the mainframe!!!



December 15th, 2007 at 3:43 am
nice facts and i don’t know why people don’t want to work on mainframes