VIM is the popular editor in LINUX Environment. Of course, we have VIM editor for other operating systems like Mac OS and Windows. We have command line version and graphic version of VIM editor. Here we are dealing about VIM command line version, because it is common for all operating systems including servers. Different modes in VIM editor : Normal mode : Here in this mode we use VIM shortcuts to navigate through the file , duplicate the content and delete content in the file. By default, if we open the file it should be in normal mode. Insert mode : In this mode, we enter new content into the file. In order to enter in to insert mode, we should press “i”. To leave insert mode, press Escape. Command mode : In this mode, we give few commands to perform few actions on the file. In order to enter into this mode, we should press “:” in the normal mode. After a command completes inline mode you are returned to...