atop Command Tutorials : With Installation Guide

atop Command Tutorials : With Installation Guide

Insight: atop Command Tutorials

atop is a tool which helps you to monitor your system or system process. It easily let you to analysis a usage of hardware resources. It even let you to see the resource usage of all closed and completed processes.
It shows the activity for CPU, memory, network, swap and disks.

atop Command Tutorials : With Installation Guide

Install atop on Ubuntu Linux

Run the following command to install atop on Ubuntu/Debian Linux:

apt-get install atop

After installing, you can open it through the following command in your terminal:


Install atop on RHEL/CentOS/Fedora Linux

Before installing atop on RHEL/CentOS/Fedora Linux, you need to install EPEL  repo and enable it in your system. After enabling EPEL, run the following command:

yum install atop

Usage of atop command/tool:

Simply you can run atop command in Linux to monitor:


To see active processes only:

atop  -a

To see command line per process:

atop -c

To read the man pages:

man atop

To see average-per-second total values:

atop -1

To see network info:

atop -n

To see the various info like ppid, user, time etc:

atop -v

To see individual threads:

atop -y


In order to launch with disk info, run the following command:

atop -d

To see memory info:

atop -m

In order to launch with scheduling info:

atop -s

Quick shortcut keys to sort out the various result for atop:

  1. a – most active resource.
  2. d – disk activity.
  3. m –memory usage
  4. n – network activity
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