Linux►Ubuntu

TaskList in Linux

How to display a task list in Linux

Use the following command to display the task list.

  1. The “top” command: displays the running process in real time. Displays CPU, memory usage, process status, and so on. You can quit by pressing Ctrl + C.

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    top - 20:07:45 up 22:48,  1 user,  load average: 0.39, 0.24, 0.19
    Tasks: 198 total,   1 running, 197 sleeping,   0 stopped,   0 zombie
    %Cpu(s):  4.8 us,  3.0 sy,  0.0 ni, 92.2 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
    KiB Mem :  8038780 total,  1191088 free,  4469544 used,  2375148 buff/cache
    KiB Swap:  8265724 total,  7867900 free,   397824 used.  2816892 avail Mem 

      PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND     
     2077 root      20   0   21820   3376   2892 S   3.5  0.0   2:20.91 systemd-jou+
     2364 root      20   0 1284476 137332  23416 S   2.5  1.7  23:22.43 VirtualBox  
     3529 john      20   0  728836  27360  12672 S   2.5  0.3   0:18.11 xfce4-term+ 
      693 root      20   0   72200   2984   2396 S   1.5  0.0   0:00.37 irqbalance  
      892 root      20   0  154664   6788   4076 S   0.7  0.1   0:53.64 upowerd     
      …


  2. The “PS” command: list the currently running processes. You can use some options to focus on specific information or filter the state of the process.

“PS aux” displays all the currently running processes. “PS aux grep < process name >” searches for a process that matches the specified process name.

  1. “Htop” command: a task management tool, such as top command, can display a list of processes and end the process.
    You can use these commands to display the task list.