How Excel SUMIFS Can Ease Your Work: A Tutorial

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The SUMIFS function is a built-in function that sums cells in a range by using supplied criteria. This function can apply multiple criteria with more than one range. It enables users to sum values when interrelated cells meet criteria. This is usually (more…)

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How to increase swap space in Linux

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When a Linux system has an out-of-memory error or runs out of RAM, .i.e. can no longer store data in the virtual memory, it will temporarily use swap space in order to increase the size of the virtual memory available. (more…)

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