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https://github.com/santinic/how2

AI for the Command Line
https://github.com/santinic/how2

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AI for the Command Line

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# how2: AI for your Terminal



how2 finds the simplest way to do something in a unix shell.

It's like `man`, but you can query it in natural language. It uses a mix of AI code-completion and StackOverflow search.



It effectively replaces Chrome => New Tab => Google => Click on StackOverflow => Scroll Down to first answer.



Go to [how2terminal.com](https://how2terminal.com) for more info.



![how2 AI for the Command-Line](https://raw.githubusercontent.com/santinic/how2/master/img/short2.png)



# Demo video

https://user-images.githubusercontent.com/179558/196452157-60e6b33a-116d-46f2-a441-7d0696a31452.mp4








# Install

## MacOSX (via HowBrew):



```

brew tap how2terminal/how2

brew install how2

```



## With NPM:



```

sudo npm install -g how2

```



If you install it without `sudo`, then you have to run it with `npx how2` or alias the command manually.



## Ubuntu/Debian:



[Download latest .deb](https://github.com/santinic/how2/releases/latest/) and then run:

    



```

wget how2terminal.com/how2.deb

sudo dpkg -i how2.deb

```



## Binaries:

    

[Go to the latest release](https://github.com/santinic/how2/releases/latest/) and download the binaries.








# Usage

By default, how2 uses an external AI server to find the best unix command line suggestion.

If you add the `-s` option instead, it will search StackOverflow for an answer.



![how2 AI and StackOverflow mode](https://raw.githubusercontent.com/santinic/how2/master/img/modes.png)



![how2 -s example](https://raw.githubusercontent.com/santinic/how2/master/img/s.png)



After that you can press SPACE to go to the interactive mode, where you can choose a different stackoverflow question/answer.



![how2 interactive mode](https://raw.githubusercontent.com/santinic/how2/master/img/interactive.png)



![how2 interactive mode 2](https://raw.githubusercontent.com/santinic/how2/master/img/interactive2.png)



[//]: # (You can use `-l lang` to find answers for other languages:)

[//]: # (![-l python](https://raw.githubusercontent.com/santinic/how2/master/img/python.png))



## How does it work?

Behind the curtain, the API use a couple of AI code-completion models

retrained on Bash/Powershell commands. 

This is just the beginning, we are working on retraining the models to focus on the Command-Line experience.

Currently, the AI mode is free for everybody up to 5 requests per day. 

If you are a professional user [consider upgrading to a paid subscription](https://how2terminal.com/pricing).



## How well does it work?

It is surprisingly useful once you get used to it! I've added it to all my servers and laptops and I use it daily.

Sometimes, the model cannot find a solution and will result in unexpected output. 

In that case, try rewording your input, it often takes minor changes to get to a good solution.

And, if it really doesn't work, just add `-s` to get the best answer on StackOverflow straight into

the Terminal.



## Copy-Paste with mouse

When you are in "interactive mode" (after you press SPACE), if you want to copy-paste more than one line you can:



- press "p" to just print out the selected answer (easier to copy-paste)

- use block-select: With Ubuntu try holding `Ctrl+Alt` before you select, or `Alt+Cmd` if you're in iTerm on Mac

(thanks to @danielkop for this suggestion).



## Can I use it behind Proxy ?

Yes, you need to use `HTTP_PROXY` or `HTTPS_PROXY` environment variables.



For example, you could alias the proxy settings in your `~/.bash_profile`:



`alias how2="HTTPS_PROXY='your_proxy:8888' how2"`