tree, selecting multiple processes and acting on them. Htop is a free (GPL) ncurses-based process viewer for Linux. We have articles on top and htop commands, in case you want to quench your curiosity for system information. Installing htop on Ubuntu 16.04 and 18.04. It takes us back to the terminal.Įven though 'gtop' does not provide a wide range of information of the system’s resources, it still has a unique concept of graphically presenting the data. Note: If we wish to quit the gtop screen, we can press 'Q' key.

%MEM – The percentage of memory occupied by the process- – Press 'M' to the list of processes by MEM%.

%CPU – The percentage of CPU used by the process – – Press 'C' to the list of processes by CPU%.

PID – The process ID – – Press 'P' to sort the process list on the basis of PID.

Processes: Displays the process-related information.

Disk Usage: The percentage of disk used at an instant.

Network History: It displays the network speed and the total amount of network data received since boot.

Swap: This view displays the percentage of total swap memory occupied.

Memory: This view displays the percentage of total physical memory occupied.

The graph represents the percentage consumed at each instant.

Memory and Swap History: This panel deals with the memory consumption with respect to physical and swap memory.

At the end of the panel, we can see the percentages for each CPU.

Using the color scheme, the panel displays CPU usage in the form of a continuous graph. Each core is represented by a specific color.

CPU History: The topmost panel deals with the utilization of CPU in the context of the core number.

Install htop ubuntu