docs(change-struct): moving the subject to the folder devops

changing the structure of the Readme

subjects/devops/change-struct/README.md

@@ -1,38 +1,10 @@
 ## Change struct
 
-You need to rearrange the file structure that you created earlier in the "file-struct" exercise.
-Here is an example of how to move, rename, copy and delete a file or repo:
-
-**_Copy_**
-
-```console
-cp `file to copy` `path of destination`
-cp -r `repo to copy` `path of destination`
-```
-
-**_Move or Rename_**
-
-```console
-User-> mv `file to move` `path of destination`
-User-> mv -r `repo to move` `path of destination`
-User-> ls
-text.txt old_repo
-User-> mv text.txt new_text.txt
-User-> mv old_repo new_repo
-User-> ls
-new_text.txt old_repo
-```
-
-**_Delete_**
-
-```console
-User-> rm `file to remove`
-User-> rm -r `repo to remove`
-```
-
 ### Instructions
 
-Use those commands to create the following file structure:
+You need to rearrange the file structure that you created earlier in the "file-struct" exercise.
+
+Use the correct commands to create the following file structure:
 
     - Copy the `struct` repo that you created and change its name to `new_struct`.
     - Create the `0_to_3` and `6_to_9` folders.
@@ -67,13 +39,43 @@ new-struct/
 Once it is done, use the command below to create the file `done.tar` to be submitted.
 
 ```console
-User-> tar -cf done.tar *
-User-> ls new-struct/
+$ tar -cf done.tar *
+$ ls new-struct/
 0_to_3  4  6_to_9  A  done.tar
 ```
 
 **Only `done.tar` should be submitted.**
 
-**Tips:**
+### Hints
+
+Here is an example of how to move, rename, copy and delete a file or repo:
+
+**_Copy_**
+
+```console
+cp `file to copy` `path of destination`
+cp -r `repo to copy` `path of destination`
+```
+
+**_Move or Rename_**
+
+```console
+$ mv `file to move` `path of destination`
+$ mv -r `repo to move` `path of destination`
+$ ls
+text.txt old_repo
+$ mv text.txt new_text.txt
+$ mv old_repo new_repo
+$ ls
+new_text.txt old_repo
+```
+
+**_Delete_**
+
+```console
+$ rm `file to remove`
+$ rm -r `repo to remove`
+```
 
-Use the command `man <name of the command>` to get more info on some command that you need to use.
+> You have to use Man or Google to know more about commands flags, in order to solve this exercise!
+> Google and Man will be your friends!