IBM Systems Application Architecture: Difference between revisions

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'''Common User Access''' aimed at providing "a common user interface for the entire IBM product line. A user who sits down at a PC should see the same menus, keyboards and procedures that he would at a 3270 terminal."<ref name=Perna/>
 
Because of hardware differences complete commonality was impossible to attain. IBM created two CUA standards, the ''Basic Interface'' for [[IBM 3270]] and [[IBM 5250]] terminals, and the ''Advanced Interface'' for so-called "intelligent workstations", or PCs. The keyboard was standardized to the Model M, 101 key, [[IBM PC keyboard#Keyboard layouts|"AT Enhanced" keyboard layout]].<ref name=Linnell />{{rp|pp.39–40}}
 
==Common communications services (CCS)==