You can display detailed information about the processes that are listed in the /proc directory by using process commands. The following table lists the /proc process commands. The /proc directory is also known as the process file system (PROCFS). Images of active processes are stored here by their process ID number.
Table 12–3 Process Commands (/proc)
Process Command |
Description |
---|---|
pcred |
Displays process credential information |
pfiles |
Reports fstat and fcntl information for open files in a process |
pflags |
Prints /proc tracing flags, pending signals and held signals, and other status information |
pldd |
Lists the dynamic libraries that are linked into a process |
pmap |
Prints the address space map of each process |
psig |
Lists the signal actions and handlers of each process |
prun |
Starts each process |
pstack |
Prints a hex+symbolic stack trace for each lwp in each process |
pstop |
Stops each process |
ptime |
Times a process by using microstate accounting |
ptree |
Displays the process trees that contain the process |
pwait |
Displays status information after a process terminates |
pwdx |
Displays the current working directory for a process |
For more information, see proc(1).
The process tools are similar to some options of the ps command, except that the output that is provided by these commands is more detailed.
In general, the process commands do the following: