System Settings/Task Scheduler

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General Information

KCron is a tool for running applications in the background at regular intervals. It's a graphical interface to the Cron command.

KCron is a standard application that is prepackaged for KDE workspaces.

Usage

Task Scheduler can be started by starting the System Settings application, and selecting Startup and Shutdown -> Task Scheduler. New tasks can be added and existing tasks edited or removed.

Adding and Modifying tasks

Click "New Task..." to add a new task, or "Modify" to modify an existing task. The Add or modify existing task page will be displayed.

The "Add or modify task" page of SystemSettings

Enter the command to be run. Click the folder icon to choose it from a dialog.
Enter a comment (optional). This should be descriptive, explaining what the task will do as the command may not always be obvious.
Click Enable this task to enable the task to run.
Click Run at system bootup to enable the script to run each time the system is booted.
Click Run every day to enable the script to run every day. This will automatically select the appropriate options.
Using the buttons, choose when the command should be run. Not all parameters are required, those not needed may be left blank.
- Hours and Minutes are the time of day to run the task, not an interval.
When done, click OK. The task till be added, and scheduled if enabled.

Click "New Task..." to add a new task, or "Modify" to modify an existing task. The Add or modify existing task page will be displayed.

Enter the command to be run. Click the folder icon to choose it from a dialog.

Enter a comment (optional). This should be descriptive, explaining what the task will do as the command may not always be obvious.

Click Enable this task to enable the task to run.

Click Run at system bootup to enable the script to run each time the system is booted.

Click Run every day to enable the script to run every day. This will automatically select the appropriate options.

Using the buttons, choose when the command should be run. Not all parameters are required, those not needed may be left blank.
- Hours and Minutes are the time of day to run the task, not an interval.

When done, click OK. The task will be added and scheduled if enabled.

Hints

All the files that are modified are located in the /etc/cron directory where there are numerous files to look at.

The command-line tool that allows you to have a look at the currently installed cron-jobs is
```
crontab -l
```
(that's the letter L).