How to Check Memory Size and Usage

There are many command line tools to view the ram (memory) size under Redhat Enterprise Linux desktop system. Commands are as follows ----


How to change swap priority

Linux kernel 2.4 and later can handle multiple swap spaces up to 32 swap space, If you use multiple swap files and partitions and you want to prioritize which spaces are used first, you can do it by altering the priority no of swap files and partitions to boost the virtual memory. By default the priorities are assigned in the order that the swap spaces are added, where -1 is a higher priority number than -2.

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