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VIM

VIM is a powerful text editor on command line environment which can be found on MacOS and almost all GNU/Linux distributions as a built-in software.

Exit

OK Babaaa! For exit from vim just press ESC button, then press : and type q! and finally press enter! Why ESC? Vim has three modes:

  1. Normal Mode: In this mode you can run commands, delete lines, fold sections and some actions like them. In Normal alphabets have meaning and do some semi-magical actions for you!
  2. Visual Mode: In this mode you can select a part of text.
  3. Insert Mode: You type on this mode!

You can switch to normal mode by pressing ESC in each two other modes! If you're already in normal mode nothing happens.

Keys Meaning

As mentioned in previous section, in normal mode keys have meaning! What the mean of this? Well, the long story short: You map an action to a key and combine them to make more complex actions, this is your real power!. We discuss about combination of actions on next section. In this section we just have glim on keys and their meaning!

  • u: Undo it! Don't Worry!

  • d: Delete! It actually don't delete, it cut but if we don't paste it elsewhere, we can suppose that we deleted it! :D.

  • y: Yank! It means copy!

  • p: Paste! It paste things which you buffered (had copied or cut) after the cursor position.

  • P: Paste but before the cursor position.

  • w: Forward move on words. For example on hello, world from vim!, if cursor is on world word, by pressing w it jumps to beginning of from word.

  • b: Backward move on words. With previous step, if now we press b, cursor move from from to world! Also if the cursor is on middle of a word (for example on o of from) by pressing b, it moves the cursor to the beginning of word.

  • l: Move cursor right! I memorized it with this pattern: *I wanna move right, so I press left, I know, it doesn't make any sense but it works!

  • k: Move cursor top!

  • j: Move cursor bottom!

  • h: Move cursor right! :D.

  • i: Change mode to insert mode in cursor position.

  • I: Change mode to insert mode in the beginning of the line.

  • a: Change to insert mode and **append ** what you type from next column of current cursor position.

  • A: Append but to end of the line.

  • o: Change mode to insert mode in next line! You press o, it create a blank line after the current line and move the cursor to that.

  • O: Change mode to insert mode in previous line! (this is big o not a zero :/).