Process monitoring tools – top, iostat, and vmstat

We can view the native performance of various processes in an OS by using the following tools:

  • To view a dynamic real-time view of the running processes in an OS, use the following command:
    $ top

An explanation of the top command generated output is as follows:

The $top command displays a lot of information about the running system.

The first line of the display is shown as follows:

The description of fields in the first line is as follows:

  • Current time
  • System uptime
  • Number of users logged ...

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