PPT Slide
How Skills Become Obsolete -- Example
Primary
2ndary
Obsolete
1981 1991 2001
MVS
MVS
DOS
DOS
MVS
VM
VM
DOS
OS/2
OS/2
Linuxes
Unixes
Unixes
Windows
(desktop & server)
Exercise: map your chart for OSs,
DBMSs, Pgming Languages, etc.
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