Tasks: 246 total, 1 running, 245 sleeping, 0 stopped, 0 zombie You should get an output similar to this: top - 17:57:19 up 2:49, 3 users, load average: 1.39, 0.95, 0.80 This starts an interactive terminal session. To run the top utility, enter the top command into the terminal: $ top Top is a handy tool for system administrators, as it shows useful information like what users and processes are consuming the most system resources at a given time. This list is updated periodically every 3 seconds by default, but the refresh period can be changed. The types of system summary information shown and the types, order, and size of information displayed for processes are all user-configurable, and that configuration can be made persistent across restarts.īy default, top outputs an ordered list of running processes based on CPU usage and shows the top CPU consumers, but the ordering criteria can be changed based on user needs. The top utility also displays system summary information, including the total number of tasks, percentage of CPU usage, and a list of processes or threads currently being managed by the Linux kernel. It provides a dynamic real-time view of an active system. Top (table of processes) is a command-line utility on Linux and other Unix-like operating systems that displays memory utilization and memory usage. To follow the steps in this guide, you should have a Linux system with top installed. This guide explains how to use top and htop and manage memory usage on Linux with these utilities.
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