· ---- basis will be reached must understand 8k

1. The main components of the server have?
   电源 风扇 磁盘 内存 CPU raid卡 远程控制卡

2. The previous work in which server brand and model as long as the server contacts
dell r710 r720 r730 +配置

3. Set super user root current directory is: / usr / local, type cd command, the user's current directory?
   /root

4. When you create a new directory using the mkdir command to create the parent directory when the first option is the parent directory does not exist?
   -p

5. The establishment of a new command file can be used for?
   touch

6. How to delete a non-empty directory / tmp?
   rm -rf /tmp

7. If you want to list all files in a directory need to use the command line?
ls -a

8. Unless otherwise specified, cp assume that you want to copy files in the following directory?
当前目录

9.rm command to remove directories and files, the main difference is whether to use a parameter?
-r 或-rf

10. () command to move a file or directory, you can also rename a file or directory?
mv

11.Linux create a command file there?
touch cat vi/vim

12. With "rm -i" What will be prompted to make you confirm?
    是否真的删除

13. hostname and ip configuration file?
/etc/hosts

14.Linux system used to be many device drivers are stored in the directory?
/dev

15. Users write a text file a.txt, want the file name to txt.a, Zeyang achieve?
    cat a.txt>txt.a

16. The set super user root current directory is: / usr / local, type cd command post, where the user's current directory?
/root

17. In the following command, the command can not display text files are?
join

18. The following documents, including the host name to IP address mapping between files are?
/etc/hosts

19. eth1 said: __ second ethnet device?
    网卡

20. How to delete a non-empty directory / tmp?
    rm -rf /tmp

21. Unless otherwise specified, cp assume that you want to copy files in the following directory?
当前目录

Application 22./etc standard file system for d
存放系统配置文件 fhs /etc/init.d/ CentOS 6.storage management script CentOS 7.x network
[root @ web01 ~] # # systemctl restart network
[root @ web01 ~] # ll /etc/init.d/network
-rwxr-xr-x. 1 root root 7293 Jan 3 2018 /etc/init.d/network
[root @ web01 ~] # file /etc/init.d/network
/etc/init.d/network: Bourne-Again shell script, ASCII text executable
 安装附加的应用程序
 存放可执行程序、系统管理工具 #CentOS 6.x 5.x /etc/init.d 存放服务管理命令(脚本) (启动 关 闭 重启)
 设置用户的主目录
存放用于系统管理的配置文件

• _4_G may be used in memory 32 the maximum operating systems
• Single and multi-core CPU core CPU advantages and disadvantages, whether all programs running on multi-core CPU speed faster? why?