What is S in top command?

What is S in top command?

‘S’ and ‘D’ are two sleep states, where the process is waiting for something to happen. The difference is that ‘S’ can be interrupted by a signal, while ‘D’ cannot (it is usually seen when the process is waiting for the disk). ‘T’ is a state where the process is stopped, usually via SIGSTOP or SIGTSTP .

How to check CPU utilization in top command?

The old good top command to find out Linux CPU Utilization

  1. Top command to find out Linux cpu usage.
  2. Say hello to htop.
  3. Display the utilization of each CPU individually using mpstat.
  4. Report CPU utilization using the sar command.
  5. Task: Find out who is monopolizing or eating the CPUs.
  6. iostat command.
  7. vmstat command.

What is command in top Linux?

The top (table of processes) command shows a real-time view of running processes in Linux and displays kernel-managed tasks. The command also provides a system information summary that shows resource utilization, including CPU and memory usage. In this tutorial, you will learn to use the top command in Linux.

What is PID in top command?

PID: Shows task’s unique process id. PR: The process’s priority. The lower the number, the higher the priority. VIRT: Total virtual memory used by the task.

How do you describe top?

Top command shows all running processes in the server. It shows you the system information and the processes information just like up-time, average load, tasks running, no. of users logged in, no. of CPU processes, RAM utilisation and it lists all the processes running/utilised by the users in your server.

What information can Vmstat provide?

You can use the vmstat command to report virtual memory statistics and information about system events such as CPU load, paging, number of context switches, device interrupts, and system calls. The vmstat command can also display statistics on swapping, cache flushing, and interrupts.