RHCSA after-school practice (1) Create a directory / file, copy, move

1. Create two directories in the games at the root usr were lianliankan and lol, create two files in the common directory lianliankan, the two file names are xiaoxiaole, xiaoxiaoxiao.
   The first step: create two directories file Step 2: Create a regular file
   
2. To write to xiaoxiaole inside "kaixin xiaoxiaole", to write to xiaoxiaoxiao inside "nishi chaoxide", will be added to the xiaoxiaole xiaoxiaoxiao contents inside.
   
3. Create a file called ordinary waigua, to write to this file inside "haha, woshi henlihaide", will move to the next lianliankan waigua file directory under /.
   
4. Copy the file to the waigua lol directory.
   
5. Create a directory called wangyou, move the directory to the games below, copy lol directory to the directory in wangyou usr / under.