To remove a task, for any reason, just use the KILL, K or X command followed by the number of the task you want to remove.  e.g. to remove task 6 just enter:

 

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IKog doesn't care why you are removing the task - you've finished the task or it was just a mistake, it doesn't matter.

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To remove every task, use the CLEAR command.  e.g.

 

 

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from version 1.72

If you use a task number to delete a task, you will be prompted to confirm whether or not you actually want to delete the task.  This is because the task you want to delete may not be currently displayed.  As with all editing commands you can also use the ^ or THIS option to remove the currently displayed task.  See Editing commands. Because the current task will be visible, the program will not ask you to confirm the deletion.

 

So if the current display shows:

 

 

Then entering:

will ask you to confirm that you actually want to remove the task.

 

But if you want to do it a bit more quickly,

or

will remove task 6 without prompting.