Steps:

• Open automator
• Choose application
• 

• Search for “shell”
• Double click on “Run Shell Script”
• 

• Type the commands you want to run.
• Run the script to make sure it is working fine
• 

• Script is running successfully.
• Save the script file in a known location on the hard drive to you.
• We will need this location later.
• Close automator

• Open ical on the MAC computer
• 

• Click “File” from the iCal menu.
• Click “New Event.” A new event appears on the date you selected.
• Give it a name
• Double click on the event, then click on the date
•  
• 
• Click “Repeat.”
• Click a scheduling option, such as “Every Day,” “Every Week” or “Every Month.” Click “Alarm,”
• 
• Click “Alert” , “Custom”
• 
• Click “message with sound” and choose “open with file”