Command
Provides a conventient way to execute system, PHP, switch and SQL commands.

Click the drop down box on the right to choose from Switch, PHP, Shell and SQL to execute commands.
Install
cd /var/www/fusionpbx/app
git clone https://github.com/fusionpbx/fusionpbx-app-command.git command
chown -R www-data:www-data /var/www/fusionpbx/app/command
Navigate to Advanced > Upgrade, run Menu and Permission Defaults.
Log out and back in.
Upgrade
cd /var/www/fusionpbx/app/command
git pull