Shulou(Shulou.com)06/03 Report--

In Linux systems, one or more processes can be created after each program starts. For example, a httpd program that provides Web services may create multiple processes to provide services when a large number of users visit the Web page at the same time.

Use different command tools to view the status of the process from different angles.

Commonly used process view commands

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 based on specific conditions

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

The above is how to view the details of the linux process, please pay attention to other related articles!

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