ps, psu, pstree – process status
prints information about processes.
prints only information about processes started by
For each process reported,
and command name are printed.
State is one of the following:
Process has exited and is about to have its
on the queue of processes ready to be run.
about to be run.
waiting on a queue for a resource.
waiting for I/O or some other kernel event to wake it up.
dead of unnatural causes; lingering
so that it can be examined.
waiting for another process to stop.
servicing a page fault.
waiting for something to do (kernel processes only).
paging out some other process.
performing the named system call.
waiting for more of a critical
to print, after the process id, the note group to which the process belongs.
to print, before the user time, the elapsed real time for the process.
to print, after the system time, the baseline and current priorities of each process.
to print the arguments for the process. Newlines in arguments will be translated to spaces for display.
prints the processes as a tree in a two colum layout where
the first colum being the process id and second column
the program name and arguments indented and prefixed with
line drawing runes to reflect the nesting in the hierarchy.
first appeared in 9front (June, 2011).