grunt-shell

grunt-shell
//Gruntfile.js
module.exports= function(grunt){
    grunt.initConfig({
        pack: grunt.file.readJSON('package.json'),
        shell:{//task
            listFolders: {  //Target
                options:{   //options
                    stdout:true
                },
                command:'ls'
            },// end of target list folders
            makedir: {
                    command:'mkdir test'
            },
            multiple : {
                command: [
                    'mkdir Sample',
                    'cd Sample',
                    'ls'
                ].join('&&')
            }
        }

    });
    grunt.loadNpmTasks('grunt-shell');
    grunt.registerTask('default',['shell']);
    grunt.registerTask('makedir',['shell']);
    grunt.registerTask('multi',['shell:multiple']);

};
//package.json
{
  "name": "Grunt_Shelljs",
  "version": "0.0.1",
  "description": "Used for running Shell commands in gruntjs",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [
    "Unix",
    "Commands",
    "shell",
    "commands",
    "for",
    "gruntjs"
  ],
  "author": "Varun Krishna. P",
  "license": "BSD-2-Clause",
  "devDependencies": {
    "grunt": "~0.4.2",
    "grunt-shell": "~0.6.1"
  }

}
I'm running under windows, so the ls command is not working if I call the task.