Final answer:
In Linux, monitoring tools such as 'top', 'htop', and 'free' are used to display information on processes, CPU, and memory utilization.
Step-by-step explanation:
In Linux command-line tools, monitoring tools will show you information about processes, CPU, and memory utilization. For instance, the top command provides a dynamic real-time view of a running system. It can display system summary information as well as a list of tasks currently being managed by the Linux kernel. Another common command is htop, which is an interactive process viewer and is similar to top but allows you to scroll vertically and horizontally. For memory utilization, free is a dedicated command that displays the total amount of free and used physical and swap memory in the system.