Linux Command Encyclopedia disk maintenance: Pstree

Function Description: Display the program in a tree chart.

Grammar: pstree&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;" [-ACGHLNPUUV] [-H < Program identification Code] [< Program identification code >/< user name

Supplementary Note: The pstree instruction uses the ASCII character to display the tree structure, clearly expresses the correlation between the program. If you do not specify a program identifier or a user name, the first program that is started at the system is treated as a base, and all subsequent programs are displayed. If you specify a user name, the first program that is attached to the user is treated as a base, and then all programs for that user are displayed.

Parameters：
-a displays the complete instructions for each program, including the path, parameters, or indication of the resident service.
-C does not use the compact notation.
-G uses the VT100 terminal's column drawing characters.
When-h lists the tree chart, it specifically identifies the program being executed.
The-h< program identifier > The effect of this parameter is similar to the specified "-H" parameter, but specifically indicates the specified program.
-L Displays a tree chart in a long column format.
-N is sorted by program identifier. Presets are sorted by program name.
-P Displays the program identification code.
-U Displays the user name.
-U uses UTF-8 column drawing characters.
-V Displays version information.