Once the system is installed and ready, it’s time to start doing something useful with it. This is not a book about Linux basic administration, but I will try to explain briefly the most important commands a Linux systems administrator has to know.
2.1 Basic Commands
Most of this chapter applies to both versions of CentOS covered in this book (6 and 7). There are, however, some sections that differ, depending on the version you’re working with. In such cases, to avoid confusing the reader, I will identify explicitly the version to which the section applies.
