Il 29/07/19 22:52, Alessandro Selli ha scritto:
LPI is the reference certification for many BSD people, too, and maybe also of what are left of Solaris sysadmins, and backw^W faithful to the old ways like they are vi is of paramount importance to them. Maybe also most AIX people would go for LPI for a widely known and appreciated Unix certification.
I don't think the underline kernel or basic utilities make all that differences on the role of using a specific editor to modify configurations files, so I still don't see any reason for this "paramount importance" also for Solaris or BSD. Also in those systems is still far more important to know more about text filters than about the syntax of a specific editor.
Plus, mostly for historical reasons, vi must be available on any Unix system and in fact AFAIK it is, even in distros that install nano by default. People better be aware of it. Junior sysadmins often have to put their hands on system other sysadmins, may be gray-bearded and bald ones, have setup up to their likes. On these systems the VISUAL variable might be set to vi, and VISUAL overrides EDITOR, as you well know! ;-)
This is a reason to add the VISUAL variable to the list of the used terms and concentrate on the setup for choosing a preferred editor, not a reason to require an higher vi proficiency.
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