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Comment: more detail on having the correct version of the pico engine

There are a few things that will make managing your pico engine and writing KRL code easier. 

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  1. If you wish to remove all picos and start over, use one or more of these commands.

    Code Block
    rm -r ~/.pico-engine/db #removes all picos and cached ruleset source code
    rm -r ~/.pico-engine/rulesets #removes compiled ruleset node modules
    rm -r ~/.pico-engine #shortcut to do both of the above
  2. Remove the pico engine code.

    Code Block
    npm rm -g pico-engine
  3. Install a specific version of the pico engine code. In this example, the engine as of March 1328, 2017 was at version 0.5.713.

    Code Block
    npm install -g pico-engine@0.5.713
  4. You can update to the latest version using the command

    Code Block
    npm update -g pico-engine
  5. You can see which version you are using near the top-left corner of the "My Picos" page (localhost:8080) or by running the command

    Code Block
    npm ls -g pico-engine

Running multiple pico engines

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