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This article introduces you how to use the Linux top command, the content is very detailed, interested friends can refer to, I hope it can be helpful to you.

The Linux top command is used to display the dynamics of process in real time.

Permissions: all users.

Syntax top [-] [d delay] [Q] [c] [S] [s] [I] [n] [b]

Parameter description:

D: change the update speed of the display, or press sq: display speed without any delay in the conversational instruction line (interactive command). If the user has the permission of superuser, top will execute c: switch display mode in the highest priority. There are two modes, one is to display only the name of the execution file, and the other is to display the complete path and name S: cumulative mode. Will accumulate the CPU time of completed or missing subtrips (dead child process) s: safe mode, cancel the conversation command to avoid potential crisis I: do not show any idle (idle) or useless (zombie) n: the number of updates, when completed will exit topb: batch file mode, used with the "n" parameter It can be used to output the result of top to an instance in the file.

Display process information

# top

Show full command

# top-c

Display program information in batch mode

# top-b

Display program information in cumulative mode

# top-S

Set the number of information updates

Top-n 2

/ / indicates that the update display is terminated after updating twice.

Set the update time of the information

# top-d 3

/ / indicates that the update period is 3 seconds

Displays the specified process information

# top-p 139

/ / display process information with process number 139, CPU, memory utilization, etc.

Show ten updates and then exit

Top-n 10

Users will not be able to use conversational instructions to give commands on the itinerary

Top-s what is a Linux system Linux is a free to use and free dissemination of UNIX-like operating system, is a POSIX-based multi-user, multi-task, support multi-threading and multi-CPU operating system, using Linux can run major Unix tools, applications and network protocols.

About how to use the Linux top command to share here, I hope that the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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