books.google.com.bo - Essential System Administration,3rd Edition is the definitive guide for Unix system administration, covering all the fundamental and essential tasks required to run such divergent Unix systems as AIX, FreeBSD, HP-UX, Linux, Solaris, Tru64 and more. Essential System Administration provides a clear, concise,...https://books.google.com.bo/books/about/Essential_System_Administration.html?id=uRW8V9QOL7YC&q=user+account&utm_source=gb-gplus-shareEssential System Administration
