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How to view and manage processes on FreeBSD?

To view and manage processes on FreeBSD, you can use several commands. The primary command for viewing processes is ps, which displays information about active processes.

  1. Viewing Processes:

    • To view all running processes, you can use the command:
      ps aux
      
      This command lists all processes with detailed information including user, PID (process ID), CPU & memory usage, start time, and the command that started the process.
  2. Managing Processes:

    • To kill a specific process, you can use the kill command followed by the PID of the process:
      kill PID
      
      For example, if you want to stop a process with PID 1234, you would type:
      kill 1234
      
    • If a process does not terminate with the regular kill command, you can force it to stop using:
      kill -9 PID
      
  3. Using top for Real-Time Monitoring:

    • 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 processes or threads currently being managed by the Linux kernel. This is useful for monitoring system performance and managing processes on the fly.
      top
      

For managing processes in a more graphical way, you might consider using a terminal multiplexer like screen or tmux, or a system monitor tool like htop if installed.

In a cloud environment like Tencent Cloud, managing processes on a FreeBSD instance would follow these same principles. You would connect to your instance via SSH and execute the above commands. Tencent Cloud offers various services that can help in managing servers, including process management, through their Control Panel and APIs.