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tags: computer science, vim
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# How to Use **vim** and **tmux**?


## Powerful Text Editor: **vim**
- Vim is a highly configurable text editor built to make creating and changing any kind of text very efficient. It is included as "vi" with most UNIX systems and with Apple OS X.


### Installation

sudo apt install vim

### Common Commands

| Hot Key | Description |
| ------------ | ----------- |
| *i* | edit mode |
| *esc* | enter command mode |
| *:q* | quit vim |
| *:q!* | force to quit if not saving |
| *:wq* | save and quit vim |
| *d-w* | delete one word |
| *d-d* | delete one line |
| *v* | highlight text |
| *y* | yank the highlighted text |
| *y-y* | copy the line |
| *d* | delete the highlighted text |
| *p* | paste after |
| *shift + p* | paste before |
| *u* | undo |
| *ctrl + r* | redo |
| *w* | skip ahead one word |
| *b* | skip back one word |
| *0* | move to the beginning of line |
| *$* | move to the end of line |
| *(* | move backward one sentence |
| *)* | move to one sentence |
| *g* | move to the top of text |
| *shift + g* | move to the bottom of text |
| *z-z* | center the screen |
| */ + word* | search the word location |
| *? + word* | search the word location by pattern |

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:sp[lit] [/path/to/file]  # splits the window horizontally [and opens the file]
:vs[plit] [/path/to/file]  # splits the window vertically [and opens the file]
:tabs
:set mouse=a

### Configuration

### References
- https://www.vim.org/
- http://www.cs.cmu.edu/~15131/f17/topics/vim/vim-cheatsheet.pdf
- https://danielmiessler.com/study/vim/
- https://linuxize.com/post/vim-search/
- https://blog.confirm.ch/mastering-vim-working-with-multiple-files/

## Terminal Multiplexer: **tmux**
- tmux is an open-source terminal multiplexer for Unix-like operating systems.
- It allows multiple terminal sessions to be accessed simultaneously in a single window.
- It is useful for running more than one command-line program at the same time.
- It can also be used to detach processes from their controlling terminals, allowing remote sessions to remain active without being visible.


### Installation

sudo apt install tmux

### Common Hot Keys
- First press *ctrl + b* and then press the following possible hot keys:

| Hot Key | Description |
| ---------- | ----------- |
| *+ %* | split a vertical window |
| *+ "* | split a horizontal window |
| *+ o* | switch among the windows |
| *+ arrows* | switch by selecting some direction |
| *+ space* | change the layout |
| *+ d* | temporarily leaving tmux |
| *+ x* | kill the current window |

### Configuration

### References
- https://blog.gtwang.org/linux/linux-tmux-terminal-multiplexer-tutorial/