About clearing buffers
Your buffer is effectively your pasteboard (otherwise referred to as ‘clipboard’.)
If you have been copying large raster areas (see copying a raster area) your computer’s resources (i.e. your RAM) may become bloated which will in-turn prevail less than optimum PC performance.
The Clear Buffers tool is a useful feature in these circumstances. When executed you will permanently delete your pasteboard therefore freeing some of your computer’s resources.
How to clear buffers
Select Raster Edit Menu > Clear Buffers.
Clear Buffers clears the Pasteboard.
Please note: You cannot undo Clear Buffers.
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