如题。因某些原因暂时不想用alinode，但直接安装原版node.js又无法替换，设置环境变量又不熟悉，所以还是想先删除，有知道方法的朋友麻烦告知下。
tnvm
Taobao Node Version Manager
Usage:
tnvm help Show this message
tnvm -v Print out the latest released version of tnvm
tnvm lookup Print alinode base on node versions
tnvm install <version> Download and install a <version>
tnvm uninstall <version> Uninstall a version
tnvm use <version> Modify PATH to use <version>. Uses .tnvmrc if available
tnvm current Display currently activated version
tnvm ls [node|alinode|iojs|profiler] List versions matching a given description
tnvm ls-remote [node|alinode|iojs|profiler] List remote versions available for install
tnvm upgrade Upgrade tnvm self
tnvm unload Unload tnvm from shell
Example: tnvm install alinode-v1.0.0 Install a specific version number tnvm use alinode-v1.0.0 Use the latest available release
Note: to remove, delete, or uninstall tnvm - just remove ~/.tnvm, ~/.npm, and ~/.bower folders
