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 ## 1. Shell Basics:
 
-| Symbol         | Definition                                                                                                     |
+| Command        | Definition                                                                                                     |
 |----------------|----------------------------------------------------------------------------------------------------------------|  
 | `.`            | a single period refers to the current directory                                                                |  
 | `..`           | a double period refers to the directory immediately above the current directory                                |  
@@ -16,9 +16,10 @@
 ## 2. Creating Things:
 ### a) How to create new files and directories..
 
-
-`mkdir ./dirname` | makes a new directory called dirname below the current directory. _Note:_ Windows users will need to use `\` instead of `/` for the path separator
-`nano filename`   | if `filename` does not exist, `nano` creates it and opens the `nano` text editor. If the file exists, `nano` opens it. _Note:_ _(i)_ You can use a different text editor if you like.  In gnome Linux, `gedit` works really well too. _(ii)_ `nano` (or `gedit`) create text files. It doesn't matter what the file extension is (or if there is one)
+| Command           | Definition                                                                                                                                                                                                                                                                                                                                            |  
+|-------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|  
+| `mkdir ./dirname` | makes a new directory called dirname below the current directory. _Note:_ Windows users will need to use `\` instead of `/` for the path separator                                                                                                                                                                                                    |  
+| `nano filename`   | if `filename` does not exist, `nano` creates it and opens the `nano` text editor. If the file exists, `nano` opens it. _Note:_ _(i)_ You can use a different text editor if you like.  In gnome Linux, `gedit` works really well too. _(ii)_ `nano` (or `gedit`) create text files. It doesn't matter what the file extension is (or if there is one) |  
 
 ### b) How to delete files and directories...
 #### _Remember that deleting is forever. There is NO going back_