This command line interface enables you to package your Node.js project into an executable that can be run even on devices without Node.js installed. Make a commercial version of your application without sources. Make a demo/evaluation/trial version of your app without sources. Instantly make executables for other platforms (cross-compilation). Make some kind of self-extracting archive or installer. No need to install Node.js and npm to run the packaged application. No need to download hundreds...
For full, incremental, compressed and encrypted backups or archives
... on a remote cloud storage, by only reading/fetching the necessary data to perform the operation.
Dar saves *all* UNIX inode types, takes care of hard links, sparse files as well as Extended Attributes (MacOS X file forks, Linux ACL, SELinux tags, user attributes) and some Filesystem Specific Attributes (Linux ext2/3/4, Mac OS X HFS+)
more details at: http://dar.linux.free.fr/doc/Features.html