


1.free
Displays total amount of free and used physical and swap memory in the system.
2.top
It is a command line interface which displays summary of all processes, free and used physical and swap memory in the system. It also includes c.p.u utilization.
3.gnome-system-monitor
Starart xserver and run gnome-system-monitor is a graphical user interface
4.vmstat
It Displays about virtual memory stats. Th information about process, memory,paging ,i/o and cpu utilization.
Ref:Red Hat Linux 9 Docs.
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