iotop works like top, but it watches your disk instead of your CPU.

There are many ways to evaluate disk space usage on Linux, and this post examines a number of commands that allow you to view used and available disk space. The df command stands for “disk free” and, ...

Note that the command output displays user, system and idle time along with other stats like disk read and write activity, interrupts and context switches. The following command displays the top ...