Introduction to Linux in HPC/The vim text editor

Video

Linux Introduction Slides 91 - 99 (9 pages)

Slide Layout

   page 1: 
       vi and vim are terminal based text editors.
       Advantages vs. disadvantages
   page 2 - 6: 
       animation
           normal mode -> insert mode
           insert mode -> normal mode
           normal mode -> command mode
           command mode -> normal mode
   page 7: 
       arrow keys or h, j, k, l for navigation
       undo
       quit with/without saving
       search for text
       yank
   page 8: 
       If you forget which mode you are in, keep pressing Esc.
       You may need a lot of time to learn vim.
   page 9:
       Knowing vim basics is important for Linux users.
       However there are also many GUI-based text editors.

Quiz

1. How to enter the insert mode of vim?

	press enter key
	press i key
	press Esc key

2. How would you open a file in read-only mode using the vim editor?
Hint: In terminal man vim

Click and submit to see the answer

Info:

If you forget which mode you are in while using vim, just keep pressing Esc.

Warning:

no warnings in this section

Exercises in Terminal (slide 100)

1.  Create a vim file and write some text in it with insert (pressing i) and than undo and redo the changes. 

Answer:

     $ vim test.txt 
     In vim editor press i to insert text and write few lines.
     Press Esc than press u (for undo) after that press ctrl + r on keyboard for redo.
        - u: undo last change (can be repeated to undo preceding commands).
        - Ctrl-r: Redo changes which were undone (undo the undos).