Shulou(Shulou.com)06/02 Report--

Command

Ps-aux | sort-k4nr | head-N

Detailed description of the command:

1. Head:-N can specify the number of rows to be displayed, and 10 rows are displayed by default.

2. Ps: parameter a refers to all processes in all--, u refers to the user id,x who executes the process in userid--, and shows all programs, not distinguished by terminals.

The output format of ps-aux is as follows:

USER PID% CPU% MEM VSZ RSS TTY STAT START TIME COMMANDroot 1 0.0 19352 1308? Ss Jul29 0:00 / sbin/initroot 2 0.0 0.0 00? S Jul29 0:00 [kthreadd] root 3 0.0 0.0 00? S Jul29 0:11 [migration/0]

3. In sort-k4nr (k stands for sorting by which keyword, the following number 4 indicates sorting by the fourth column; n refers to numberic sort, sorted according to its numerical value; r refers to reverse, which refers to the reverse comparison result, the output defaults from small to big, reverse from big to small. ). In this example, you can see that% MEM is in the fourth position, sorted from largest to smallest according to the value of% MEM. K3 indicates that it is sorted by cpu occupancy.

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