Linux system parametric task help description

Source: Internet
Author: User
Tags cpu usage

1.1 Top

1.1.1 Command Description

The TOP command monitors the system's operational status in real time and can be sorted by CPU, memory, and execution time

1.1.2 Parameter Description

command-line Startup parameters:

Usage: TOP-HV | -bcisshm-d delay-n iterations [-u user |-u user]-P pid [, PID ...]

-B: Batch mode runs. Typically used to send the results of the top output to another program or to a file

-C: Displays the command line that performs the task

-D: Set delay time

-H: Help

-H: Displays the thread. When this setting is turned on, all threads generated by the process are displayed

-I: Show idle Processes

-N: Number of executions. Commonly used with-B

-U: Monitor specified user-related processes

-U: Monitor specified user-related processes

-P: monitors the specified process. When multiple processes are monitored, the process IDs are separated by commas. This option can only be used at the command line

-S: Safe mode operation

-S: Cumulative time mode

-V: Displays the top version and then exits.

-M: Automatic display of memory units (k/m/g)

1. Global commands

Enter, Space: Refresh display information

?, h: Help

=: Remove the limit displayed for all tasks

A: Alternate display mode toggle

B: Bold Display Toggle

D, S: Change the interface refresh time interval

G: Select a different window/field group

I:irix or Solaris mode switching

u, u: monitor specified user-related processes

K: End Process

Q: Exit Top

R: Re-set the nice value of the process

W: Store Current settings

Z: Change the color template

2. Summary Area Command

L: Average load and system run time display switch

M: Memory and swap space usage display switch

T: Current task and CPU status display switch

1: summary displays CPU status or shows each CPU state separately

1. Task Area Commands

Appearance style

B: bold/Inverse color to display highlighted rows/columns. Control the display style for x and y interactive commands

X: Highlight sorted columns

Y: Highlight a running task

Z: Color/black and white display.

Show content

C: Command line or process name for task execution

F, O: Add and remove process information fields and adjust process information field display order

H: Show Threads

S: Time Accumulation Mode

U: Monitor specified user-related processes

The number of tasks displayed

I: Show the Idle Process

N or #: Sets the maximum number of tasks to display

Task sequencing (SHIFT+F)

M: Sort by Memory utilization

N: Sort by PID

P: Sort by CPU usage

T: Sort by time+

<: Sort by adjacent columns to the left of the current sort field

>: Sort by adjacent columns to the right of the current sort field

F or O: select sort field

R: Reverse sort This article is edited by "Www.zrnkyy.com"

Linux system parametric task help description

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