pmap and pstree can let us view the memory map f the process or show processes as a tree.

Options

pmap Command Options

Here are some options for pmap command:

Option	Description
-x or ‑‑extended	Displays the extended format.
-d or ‑‑device	Displays the format of the device.
-q or ‑‑quiet	Hide headers and footers.
-A or ‑‑range low,high	Limits the lines of the specified memory addresses.
-X	Displays more information than the -x option.
-XX	Displays all the information provided by the kernel.
-p or ‑‑show-path	Displays the full name of the path to the file in the mapping column.

Here are some options for pstree command:

Option	Description
-a	Show command line arguments.
-A	Draw the tree with ASCII characters.
-c	Show all the same subtrees.
-h	Highlight the current process and its ancestors.
-g	Display process group IDs, and if process IDs and group IDs are displayed at the same time, process IDs are first displayed.
-p	Display process IDs.
-u	Display user IDs.
-Z	Display processes’ security contexts.

                    
                          1
2

                          # 1 is the process ID
pmap 1 | head -20

                    
                          1

                          pmap -x 1 | head -20

                    
                          1

                          pstree | head -20

                    
                          1

                          pstree -a | head -20

References PMAP(1), PSTREE(1)