linux ps手册

作者佚名技术来源 Linux系统浏览发布时间 2012-04-28

6 ps - report a snapshot of the current processes.
7
8 SYNOPSIS
9 ps [options]
10
11
12
58 EXAMPLES
59 To see every process on the system using standard syntax:
60 ps -e
61 ps -ef
62 ps -eF
63 ps -ely
64
65 To see every process on the system using BSD syntax:
66 ps ax
67 ps axu
68
69 To print a process tree:
70 ps -ejH
71 ps axjf
72
73 To get info about threads:
74 ps -eLf
75 ps axms
76
77 To get security info:
78 ps -eo euser,ruser,suser,fuser,f,comm,label
79 ps axZ
80 ps -eM
81
82 To see every process running as root (real & effective ID) in user format:
83 ps -U root -u root u
84
85 To see every process with a user-defined format:
86 ps -eo pid,tid,class,rtprio,ni,pri,psr,pcpu,stat,wchan:14,comm
87 ps axo stat,euid,ruid,tty,tpgid,sess,pgrp,ppid,pid,pcpu,comm
88 ps -eopid,tt,user,fname,tmout,f,wchan
89
90 Print only the process IDs of syslogd:
91 ps -C syslogd -o pid=
92
93 Print only the name of PID 42:
94 ps -p 42 -o comm=
95
96
97
98 SIMPLE PROCESS SELECTION
99 -A Select all processes. Identical to -e.
100
101
102 -N Select all processes except those that fulfill the specified
103 conditions. (negates the selection) Identical to --deselect.
104
105
106 T Select all processes associated with this terminal. Identical
107 to the t option without any argument.
108
109
110 -a Select all processes except session leaders (see getsid(2))
111 and processes not associated with a terminal.
112
113
114 a Lift the BSD-style "only yourself" restriction, which is
115 imposed upon the set of all processes when some BSD-style
116 (without "-") options are used or when the ps personality
117 setting is BSD-like. The set of processes selected in this
118 manner is in addition to the set of processes selected by
119 other means. An alternate description is that this option
120 causes ps to list all processes with a terminal (tty), or to
121 list all processes when used together with the x option.
122
123
124 -d Select all processes except session leaders.
125
126
127 -e Select all processes. Identical to -A.
128
129
130 g Really all, even session leaders. This flag is obsolete and
131 may be discontinued in a future release. It is normally
132 implied by the a flag, and is only useful when operating in
133 the sunos4 personality.
134
135
136 r Restrict the selection to only running processes.
137
138

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