System log configuration of Linux

开机默认使用linux的root权限登陆linux系统，不必在linux开发时候每次都重新获取权限-log linux system by root right

Booting, or "bootstrapping" for us older folk, is that deeply mysterious sequence of operations performed by your computer between the moment when you switch it on and the moment it s ready for you to log in. During this time, all kinds of incomprehe

Chapter 2 Logging In and General Orientation Upon completion of this module, you will be able to do the following: • Log in to a LINUX system. • Log out of a LINUX system. • Look up commands in the Manual. • Look up comm