Solution : https://service.sap.com/sap/support/notes/313107 (SAP Service marketplace login required)
Key words : 
>= 4 gb ram03/jul/00   4      sap frontend installation16/jun/00   2      linux, linux24/jan/01   1      editing r3load command files11/jan/01   1      choosing, /usr/sap/<sapsid>/sys/exe/run $home, linux30/nov/99   2      ignore info 'section rfcconpar, /usr/sap/<sapsid>/sys/exe/run, /3 instance installation4      post installation 1  pre installation usage, -------------------------<d022860 30/nov/99>--------------------------ignore info 'section rfcconpar, hr support packages28/apr/00   1      64-bit solaris 5, edit startsap/stopsap scripts13/dec/01   1      linux, ram + swap space >= 4gb11/dec/02   3      solaris
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