Linux command--pstree

List all current processes of the system in a tree-structured form

[Email protected] etc]# Pstree

Init─┬─networkmanager───{networkmanager}

├─abrtd

├─acpid

├─atd

├─AUDITD───{AUDITD}

├─automount───4*[{automount}]

├─certmonger

├─CONSOLE-KIT-DAE───63*[{CONSOLE-KIT-DA}]

├─crond

├─cupsd

├─dbus-daemon───{dbus-daemon}

├─hald───hald-runner─┬─hald-addon-acpi

│└─hald-addon-inpu

├─login───bash

├─master─┬─pickup

│└─qmgr

├─5*[mingetty]

├─modem-manager

├─polkitd

├─rpc.idmapd

├─rpc.statd

├─rpcbind

├─RSYSLOGD───3*[{RSYSLOGD}]

├─sshd───sshd───bash───bash───pstree

├─UDEVD───2*[UDEVD]

└─wpa_supplicant

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Linux command--pstree