give 

give ('git-versioned environment', name courtesy of @AvianFlu) is a git-based node.js/io.js version manager.

It allows you to install anything git can checkout from either node's or io.js's
repos:

* tags: give install node v0.6.10
* commits: give install iojs 3f43b1c039727e12c7a27fb31010aa309a4a35d8
* branches: give install iojs master

It's also very fast - instead of doing git checkout it uses git archive
which is very fast on local repositories.

Installation

npm install -g give

$3

``
give install iojs v1.3.0 # will install version v1.3.0 of io.js
give use iojs v1.3.0 # will use version v1.3.0 of io.js (drops you into a subshell)
^D # will quit to original shell
`

Usage

`
give - git-based node.js/io.js version manager

Usage:

give install Install of
Examples:
give install node v0.6.10 - installs v0.6.10 tag of node
give install iojs master - installs master branch of iojs
give install iojs 02c1cb5 - installs commit 02c1cb5 of iojs

give use Use of
Spawns a subshell with correct version of node.js/io.js in the $PATH.

give ls List installed node.js/io.js versions

give rm Remove
Removes both source and installation directory for of .

give init Explicitely initialize repository
Please note that give does it for you during operations which
require repository setup.

give help You're staring at it
``