What does top output mean?

How do you read top command output?

The column headings in the process list are as follows:1PID: Process ID.2USER: The owner of the process.3PR: Process priority.4NI: The nice value of the process.5VIRT: Amount of virtual memory used by the process.6RES: Amount of resident memory used by the process.7SHR: Amount of shared memory used by the process.How to Use the Linux top Command (and Understand Its Output)

What does top memory mean?

The “top” command provides a dynamic real-time view of a running system. The top command can display system summary information as well as a list of the process currently being managed by the Linux kernel. We will use free and top to understand the memory utilization of our operating system.

How do you read top memory usage?

Viewing memory usage in top Hit Shift+M to see the list sorted by memory usage. Your display may look slightly different than this example from a running Fedora Workstation: There are three columns showing memory usage to examine: VIRT, RES, and SHR.

What does the top command show?

top command is used to show the Linux processes. It provides a dynamic real-time view of the running system. Usually, this command shows the summary information of the system and the list of processes or threads which are currently managed by the Linux Kernel.