Shulou(Shulou.com)06/01 Report--

This article "linux process sample method" in addition to programmers, most people do not understand, today, in order to make you better understand the "linux process sample method", to sum up the following content, with a certain reference value, the detailed steps are clear, the details are handled properly, I hope you can get something through this article, let's take a look at the specific content.

What is Linux system Linux is a free-to-use and free-spread UNIX-like operating system, is a POSIX-based multi-user, multi-task, multi-threaded and multi-CPU operating system, using Linux can run major Unix tools, applications and network protocols.

Linux view process methods: 1, ps command to view static process statistics; 2, top command to view process dynamic information; 3, pgrep command to query process PID information according to specific conditions; 4, pstree command to view process tree and list process information in a tree structure.

How linux can view the process:

1. Ps command-View static process statistics (Processes Statistic)

Common options:

A: displays all the process information under the current terminal, including the processes of other users.

U: use a user-based format to output process information.

X: displays the progress of the current user under all terminals.

-e: displays all process information in the system.

-l: displays process information in long format.

-f: displays process information in full (full) format.

2. Top command-- View process dynamic information

Display the ranking of processes with a full-screen interactive interface, and timely track the occupation of system resources, including CPU, memory and so on. By default, it is refreshed every three seconds, which is basically similar to the task manager in the Windows system.

3. Pgrep command-- query process PID information according to specific conditions

Example:

4. Pstree command-- View the process tree and list the process information in a tree structure

Example:

Thank you for your reading. I hope you have a certain understanding of the key issue of "sample method of linux viewing process". The specific usage still needs to be understood by everyone through hands-on experiments. Try it quickly. If you want to read more articles about relevant knowledge points, welcome to follow the industry information channel!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.