What are the functions of the top command in Ubuntu?

The top command in Ubuntu is used to monitor real-time processes and system performance. It includes features such as: monitoring CPU usage, memory usage, and running processes.

1. Display the overall status of the system: The top command will show the general situation of the system, including running time, number of logged-in users, and system load.
2. Monitoring processes: The top command displays a list of currently running processes, along with their IDs, priorities, CPU usage, memory usage, and other information.
3. Real-time updates: The top command will continuously update and display information on processes and system performance, allowing for dynamic monitoring of the system.
4. Sorting and filtering: The top command can sort by CPU usage, memory usage, and filter by process name to better monitor the system and processes.
5. Operations can also be performed using the top command, such as terminating a specified process or changing a process’s priority.

In conclusion, the top command is a powerful tool that can help users monitor system processes and performance in real time, as well as perform necessary operations.