Third, file system attributes chattr command sudo permissions & privileges system

First, the file system attributes chattr rights

1, chattr command format

　　

　　

 

 

2, view the file system properties

　　

 

 

Second, the system command sudo privileges

　　1, sudo privileges

　　　　　

 

　　2.sudo use

　　　　

 

 　　3. Authorized users can restart the server sc

　　　　

 

 　　4. ordinary user performs a command imparted