[wiki] Replaced nvm with nvs

README.md

@@ -93,26 +93,14 @@ curl -sL https://deb.nodesource.com/setup_9.x | bash -
 apt-get install -y nodejs
 ```
 
-#### Installing and using nvm
+#### Installing and using ~~nvm~~ nvs
 
-You may need to use multiple node versions on the same machine. `nvm` will be very useful in this case.
+You may need to use multiple node versions on the same machine. ~~`nvm` will be very useful in this case.~~ [`nvs`](https://github.com/jasongin/nvs) is a much better, cross-platform implementation.
 
 ```shell
-# using curl
-curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh | bash
-
-# or wget
-wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh | bash
-
-# Optional: Add "| NVM_DIR=/path/to/nvm bash" to the end of the above line if you need to change install directory
-# "| NVM_DIR=/usr/local/nvm bash" for global (all users) install
-```
-
-And then add this to your `~/.bashrc` or `~/.zshrc`:
-
-```shell
-export NVM_DIR="$HOME/.nvm"
-[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+export NVS_HOME="$HOME/.nvs"
+git clone https://github.com/jasongin/nvs "$NVS_HOME"
+. "$NVS_HOME/nvs.sh" install
 ```
 
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