The company of copyrighted software, in-depth learning about Linux, and plans to get RHCE certificate this year, the first day to learn the following:
- Understanding of the difference between Linux & Windows:
- Understanding the Linux development history:
A / 1970 Nian Unix, open source, free;
b / 1979 Nian AT & T's software commercialization;
c / 1984 Nian Richard Stallman launched the GNU, developed a GPL license agreement;
d / 1987 Nian gcc compiler publishing;
E / 1991 of Linus Torvalds wrote Linux;
f / in 1994 Bob Young has released Redhat Linux on Linux basis;
G / after 1998, IBM, Intel and many other companies to promote open Linux development. . . . . . - Understand the common system version of Linux;
A / Red Hat Enterprise Linux, RHEL, the latest version RHEL7, released this year RHEL8;
b / community enterprise operating system CentOS, the latest version 7 CentOS;
c / Fedora desktop system packages, RHEL system "experimental field"; d
/ openSUSE Linux operating system from Germany;
E / Gentoo has a customized, complex operation, suitable for experienced technical personnel;
f / Debian stability, strong security, and provided nearly one hundred thousand kinds of different open source software, acceptance and usage abroad UFIDA high;
G / Ubuntu is derived from Debian operating system, has a very high compatibility with the introduction of new, and Fedora is very good desktop Linux operating system, also used in the server space. - RHCE, RHCSA, RHCE, RHCA, see the figure below:
