Visualize IO disk usage with htop

htop is a terminal based process viewer, a useful tool to monitor system resources.

IO is a measure of the amount of data read (Input) from or written (Output) to a storage device.

By default, htop do not shows the amount of data read and written by processes.

Show IO with htop

Start htop as usual:

htop

To show IO disk usage, you need add Disk IO meters:

1. Open Setup with F2 key
2. Go to Meters category
3. Select Disk IO meters in available meters and validate with Enter key
4. Optionally, you can change the meters order with Up and Down keys

Save htop configuration

htop configuration is automatically saved in ~/.config/htop/htoprc file.

Save this file to your dotfiles repository to keep this configuration.

Other meters

You also have other useful meters like Network IO, Battery or Systemd system state and unit overview.