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After seeing this post: How do I increase swapfile in Ubuntu 18.04?, I was wondering, how do I decrease the size of the swap file without removing it?

itisyeetimetoday
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    Why the need to decrease the size of a swapfile without removing it? What exactly are you trying to accomplish? – stumblebee Nov 21 '21 at 01:25
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    Decreasing a swapfile would be done the same way as creating one, as they’re fixed in size to begin with. The only difference is that you would specify a smaller size than currently exists. – matigo Nov 21 '21 at 02:07

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how do I decrease the size of the swap file without removing it?

This question is rather irrelevant. Swap space must be taken out of use before changing it. The command sudo fallocate -l 4G /swapfile (with an adjusted size) will overwrite your existing swapfile if you do not delete it first.

vanadium
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