top command

The top and free command display the total amount of free and used physical and swap memory in the server. How do I determine which process is using swap space under Linux operating systems? How do I find out swap space usage of particular process such as memcached?

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I am a new Linux and Unix system users. I was told to use the top command to display and update sorted information about processes. I do not know how to exit from top command. I simply close the Terminal app. How do I exit from top command without closing my Terminal on Linux/Unix-like operating systems?

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How do I view minor and major page faults statistics for a process under Linux operating systems?

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How do I check swap (paging) usage under Linux operating systems using command bash/ksh line options?

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How do I check the ram size from my Redhat Linux desktop system using command line and GUI tools? How do I find out memory size on Red Hat Enterprise Linux server?

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How do I check swap (page) usage under Sun / Oracle Solaris Unix operating systems using command line options? How do I see virtual memory statistics including used and total swap space?

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How do I find out my RAM size under Linux operating systems?

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