Pray god to solve! The problem of Linux
1. Start the run level under Linux are briefly after landing automatically into the console command mode or
Graphics (X - Windows), respectively is what level? In the CentOS6 system, how to modify the vision
Level of recognition, to automatically after system start into the console command mode, for example, write the specific process
2. In the process of the system initiation, if let the system automatically start some programs, and set the environment variable
Quantity, list at least three ways,
, an example is given to describe the implementation process3. The network security threats mainly from what aspects