Using
Don't forget to tell your system to start the crond cron daemon first, or won't work.

Start Up
When starts you will see a summarized view of existing scheduled tasks and associated environment variables. If you are running as the root user, you will see these items for all users on the computer as well as the system scheduled tasks. Each of the folders can be expanded and contracted.
at start up.
at start up.

Scheduled Tasks
Scheduled tasks appear under a Tasks folder. For each scheduled task, the following are displayed:
Name 	Name to identify the scheduled task.
Value 	Program file and parameters.
Description 	Natural language description of scheduled task.
If a task has been disabled, no program file and parameters will appear, and the description will be disabled.

Environment Variables
Environment variables appear under a Variables folder. For each environment variable, the following are displayed:
Name 	Variable name.
Value 	Variable value.
Description 	Natural language description of variable.
Environment variables appearing here will override any existing environment variable for all scheduled tasks. If an environment variable has been disabled, no value will appear and the description will be disabled.
main window
main window

Adding Scheduled Tasks
To create a new scheduled task, first select the Tasks folder. Then select Edit New... . Alternatively, you can use the right mouse button menu and choose New..., or simply press Ctrl N.

The Edit Task Dialog
Edit Task dialog.
Edit Task dialog
Comment 	Enter a description of the task to schedule.
Program 	Enter the name of the program. You can specify either a relative path or absolute path. If you want to look up the program, press Browse....
Enabled 	To enable or disable the task, select or de-select Enabled.
Silent 	 Turns off logging of the command and the output from the command.
Months 	Select the months during which the task is to be scheduled.
Days of the Month 	Select the days of the month on which the task is to be scheduled.
Days of the Week 	Select the days of the week on which the task is to be scheduled.
Daily 	If you want to schedule the task to run daily, select Run Every Day.
Hours 	Select the hours on which the task is to be sheduled.
Minutes 	Select the minute at which the task is to be scheduled. does not support scheduling tasks at smaller than five minute intervals.
OK 	Completes the creation of this task.
Cancel 	Cancels the creation of this task.
If you select both days of the month, and days of the week, the task will run when either condition is met. For instance, if you select the 1st and 15th, and select Sunday, the program will be run every 1st and 15th of the selected months (regardless of day of week) as well as every Sunday of the selected months (regardless of day of the month).
The scheduled task is not actually set up until the crontab has been saved.

Managing Scheduled Tasks
As with creating new tasks, changes to tasks will not actually be made until the crontab is saved.

Cutting Scheduled Tasks
To cut a scheduled task, first select the task to be cut. Then select Edit Cut.
Alternatively, you can use the right mouse button menu and choose Cut, or simply press Ctrl X.

Copying Scheduled Tasks
To copy a scheduled task, first select the task to be copied. Then select Edit Copy .
Alternatively, you can use the right mouse button menu and choose Copy, or simply press Ctrl C.

Pasting Scheduled Tasks
To paste a scheduled task, first a scheduled task must have already been cut or copied to the clipboard. Once a scheduled task has been cut or copied, paste will be enabled. Then select the Tasks folder. Finally, select Edit Paste .
Alternatively, you can use the right mouse button menu and choose Paste, or simply press Ctrl V.

Modifying Scheduled Tasks
To modify a scheduled task, first select the task to be modified. Then select Edit Modify... .
Alternatively, you can use the right mouse button menu and choose Modify..., or simply press Ctrl O. You will see the Edit Task dialog, which you would modify as described above.

Deleting Scheduled Tasks
To delete a scheduled task, first select the task to be deleted. Then select Edit Delete .
Alternatively, you can use the right mouse button menu and choose Delete.

Enabling/Disabling Scheduled Tasks
To enable or diabled a scheduled task, first select the disabled task. Disabled tasks will have Disabled in their descriptions. Then select Edit Enabled .
Alternatively, you can use the right mouse button menu and choose Enabled. Confirm that the scheduled task's program name, parameters, and description are correctly displayed.

Running Scheduled Tasks
To run a scheduled task immediately, first select the task. Then select Edit Run Now .
Alternatively, you can use the right mouse button menu and choose Run Now.

Adding Environment Variables
To create a new environment variable, first select the Variables folder. Then select Edit New... .
Alternatively, you can use the right mouse button menu and choose New..., or simply press Ctrl N.

The Edit Variable dialog
Edit Variable dialog.
Edit Variable dialog.
Variable 	Enter the environment variable name. You can use the drop-down list box to select from the most common environment variables used by scheduled tasks. Those include:
HOME 	To be used instead of the default user's home directory.
MAILTO 	To send email output to an email address other than the user's default email address.
PATH 	To be used to search directories for program files.
SHELL 	To be used instead of the user's default value.
Value 	Enter the environment variable value.
Comment 	Enter a description for the environment variable, such as its purpose.
Enabled 	 To enable or disable the variable, select or de-select Enabled.
OK 	 Completes the setting of this variable.
Cancel 	 Cancels the setting of this variable.
The environment variable is not actually set up until the crontab has been saved.

Managing Environment Variables
As with creating new variables, changes to variables will not actually be made until the crontab is saved.

Cutting Environment Variables
To cut an environment variable, first select the variable to be cut. Then select Edit Cut .
Alternatively, you can use the right mouse button menu and choose Cut, or simply press Ctrl X.

Copying Environment Variables
To copy an environemnt variable, first select the variable to be copied. Then select Edit Copy .
Alternatively, you can use the right mouse button menu and choose Copy, or simply press Ctrl C.

Pasting Environment Variables
To paste an environment variable, first an environment variable must have already been cut or copied to the clipboard. Once an environment variable has been cut or copied, paste will be enabled. Then select the Variables folder. Finally, select Edit Paste .
Alternatively, you can use the right mouse button menu and choose Paste, or simply press Ctrl V.

Modifying Environment Variables
To modify an environment variable, first select the variable to be modified. Then select Edit Modify... . Alternatively, you can use the right mouse button menu and choose Modify..., or simply press Ctrl O. You will see the Edit Variable dialog, which you would modify as described above.

Deleting Environment Variables
To delete an environment variable, first select the variable to be deleted. Then select Edit Delete
Alternatively, you can use the right mouse button menu and choose Delete.

Enabling/Disabling Environment Variables
To enable or diabled an environment variable, first select the disabled variable. Disabled variables will have Disabled in their descriptions. Then select Edit Enabled .
Alternatively, you can use the right mouse button menu and choose Enabled. Confirm that the environment variable's name and value are correctly displayed.

Saving the crontab
Once all scheduled tasks and environment variables have been created and/or properly modified, save the crontab by selecting File Save .
Alternatively, you can simply press s. Additions or changes will not actually be made until this is done.

Printing the crontab
To print the crontab as it has been saved, select File Print .
Printing the crontab.
Printing the crontab.
The standard printer dialog will display. If you select Expand you will see that there are two extra specific options in the Print Dialog box.
Print Crontab 	 Prints the crontab for the current user.
Print All Users 	 Prints the crontabs for all users. This option is enabled only for users with super-user privileges.