ptree(1)ptree(1)NAMEptree - prints the process tree hierarchy
SYNOPSIS
[pid1|username1 [pid2|username2]...]
DESCRIPTION
prints the process tree of all processes that match the specified argu‐
ments. While printing the tree, the child processes are indented to
the right from their respective parent processes.
Options
Prints the tree starting from the children of
(usually pid 0). The default is to print the tree starting
from the children of (pid 1).
Operands
pid Print the process tree for the process ID number specified by
pid.
username Print the process tree for all the processes from the user
specified by username. Note that only username (and not user
ID) can be specified for this instance.
If no operands are specified, then prints the process tree of all pro‐
cesses starting from the children of or (if is specified).
EXTERNAL INFLUENCES
Environment Variables
If is not specified or is null, it defaults to (see lang(5)).
EXAMPLES
Print the process tree for pid 100 and for all processes owned by
WARNINGS
Process information can change while is running; the tree displayed by
is only a snapshot in time. Some data printed for defunct processes is
irrelevant.
Users of must not rely on the exact field widths and spacing of its
output, as these will vary depending on the system and the release of
HP-UX.
SEE ALSOpgrep(1), pkill(1), ps(1), fork(2).
ptree(1)