pstree command
ps command:
This command is used to check the process running on the server. " ps " command will list all the running process with there respective process ID.
This command is also used the check the process on the server. " pstree " command will list all the running process in the form of a tree structure.
init─┬─NetworkManager─┬─dhclient
│ └─2*[{NetworkManager}]
├─abrtd
├─acpid
├─atd
├─auditd─┬─audispd─┬─sedispatch
│ │ └─{audispd}
│ └─{auditd}
├─avahi-daemon───avahi-daemon
├─bluetoothd
├─bonobo-activati───2*[{bonobo-activat}]
├─clock-applet───{clock-applet}
├─console-kit-dae───4*[{console-kit-da}]
├─crond
├─cupsd
Also try the -p option for pstree
[kamaraj@Kamaraj ~]$ pstree -p
init(1)─┬─NetworkManager(1160)─┬─dhclient(2091)
│ ├─{NetworkManager}(1174)
│ └─{NetworkManager}(2092)
├─abrtd(1441)
├─acpid(1288)
├─atd(1474)
├─auditd(1629)─┬─audispd(1631)─┬─sedispatch(1643)
│ │ └─{audispd}(1644)
│ └─{auditd}(1630)
├─avahi-daemon(1178)───avahi-daemon(1179)
├─bluetoothd(1388)
├─bonobo-activati(1824)─┬─{bonobo-activat}(1832)
│ └─{bonobo-activat}(1933)
├─clock-applet(2069)───{clock-applet}(2074)
├─console-kit-dae(1532)─┬─{console-kit-da}(1533)
│ ├─{console-kit-da}(1534)
│ ├─{console-kit-da}(1536)
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