by Daniele Giacomini. Updated version of a very impressive work. Italian Linux Notes. An exhaustive guide on GNU/Linux Operating System, Free Software and Open Source licences, Red Hat install, Slackware install, RPM Package Management System and Debian Package Management System, Linux kernel, processes, users, shell, filesystem, networking, C language, Pascal language, Perl language, Java language, Scheme language, Basic language, SED, AWK, DBMS ( Data Base Management System ), SQL.