code: function(list, mode) {
          list = list || [];
          mode = mode || 0755;
          _.find(list, function (p) {
              fs.chmodSync(p, mode);
          });
      }
docs: change file modes or Access Control Lists
  bash: $ chmod {mode} {path} ...
  
  @name chmodfilesSync
  @memberof fsys
  @method
  @param {Array} list target files
  @param {int} mode change file mode