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- print process trees
/usr/bin/ptree [-a] [-c] [-z zone] [pid | user]...
The ptree utility prints the process trees containing the specified pids or users, with child processes indented from their respective parent processes. An argument of all digits is taken to be a process-ID, otherwise it is assumed to be a user login name. The default is all processes.
The following options are supported:
All. Print all processes, including children of process 0.
Contracts. Print process contract memberships in addition to parent-child relationships. See process(4). This option implies the -a option.
Zones. Print only processes in the specified zone. Each zone ID can be specified as either a zone name or a numerical zone ID.
This option is only useful when executed in the global zone.
The following operands are supported:
Process-id or a list of process-ids. ptree also accepts /proc/nnn as a process-id, so the shell expansion /proc/* can be used to specify all processes in the system.
Username or list of usernames. Processes whose effective user IDs match those given are displayed.
Example 1 Using ptree
The following example prints the process tree (including children of process 0) for processes which match the command name ssh:
$ ptree -a ‘pgrep ssh‘ 1 /usr/sbin/init 100909 /usr/lib/ssh/sshd 569150 /usr/lib/ssh/sshd 569157 /usr/lib/ssh/sshd 569159 -ksh 569171 bash 569173 /bin/ksh 569193 bash
The following exit values are returned:
An error has occurred.
See attributes(5) for descriptions of the following attributes:
The human readable output is Uncommitted The options are Committed.
gcore(1), ldd(1), pargs(1), pgrep(1), pkill(1), plimit(1), pmap(1), preap(1), proc(1), ps(1), ppgsz(1), pwd(1), rlogin(1), time(1), truss(1), wait(1), fcntl(2), fstat(2), setuid(2), dlopen(3C), signal.h(3HEAD), core(4), proc(4), process(4), attributes(5), zones(5)