Solution : https://service.sap.com/sap/support/notes/30606 (SAP Service marketplace login required)
Key words : 
digital unix additional key words doconfig, symptom system parameter entries, prerequisites requirement digital unix 3, source code corrections, digital unix, 0x solution, /sysconfigtab, sysconfigtab
Related Notes : 
       
| 628131 | SAP DB/MaxDB operating system parameters on Unix | 
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| 103747 | Performance: Parameter recommendations as of Release 4.0 | 
| 97497 | Memory Management Parameter (3.0/3.1) | 
| 97179 | Digital Unix, swap allocation with huge systems | 
| 21960 | Several instances/systems on one UNIX computer |