BSD 4_3_Net_2 release

[unix-history] / usr / src / bin / ps / ps.1

diff --git a/usr/src/bin/ps/ps.1 b/usr/src/bin/ps/ps.1
index eae8abb..d9d5dc3 100644 (file)
--- a/usr/src/bin/ps/ps.1
+++ b/usr/src/bin/ps/ps.1
@@ -1,440 +1,503 @@
-.\" Copyright (c) 1980, 1990 The Regents of the University of California.
+.\" Copyright (c) 1980, 1990, 1991 The Regents of the University of California.

 .\" All rights reserved.
 .\"
 .\" All rights reserved.
 .\"

-.\" %sccs.include.redist.man%
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"    This product includes software developed by the University of
+.\"    California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.

 .\"
 .\"

-.\"     @(#)ps.1       6.13 (Berkeley) %G%
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.

 .\"
 .\"

-.TH PS 1 "March 10, 1988"
-.UC 4
-.SH NAME
-ps \- process status
-.SH SYNOPSIS
-.nf
-.ft B
-ps [ \-aChjlmrSTuvwx ] [ \-O|o fmt ] [ \-p pid ] [ \-t tty \] [ system ] [ core ] [ swap ]
-ps [ \-L ]
-.ft R
-.fi
-.SH DESCRIPTION
-.I Ps
+.\"     @(#)ps.1       6.17 (Berkeley) 6/20/91
+.\"
+.Dd June 20, 1991
+.Dt PS 1
+.Os BSD 4
+.Sh NAME
+.Nm \&ps
+.Nd process status
+.Sh SYNOPSIS
+.Nm \&ps
+.Op Fl aChjlmrSTuvwx
+.Op Fl M Ar core
+.Op Fl N Ar system
+.Op Fl O Ar fmt
+.Op Fl o Ar fmt
+.Op Fl p Ar pid
+.Op Fl t Ar tty
+.Op Fl W Ar swap
+.Nm ps
+.Op Fl L
+.Sh DESCRIPTION
+.Nm \&Ps

 displays a header line followed by lines containing information about your
 processes that have controlling terminals.
 displays a header line followed by lines containing information about your
 processes that have controlling terminals.

-This information is sorted by process ID.
-.PP
+This information is sorted by process
+.Tn ID .
+.Pp

 The information displayed is selected based on a set of keywords (see the
 The information displayed is selected based on a set of keywords (see the

-\-L, \-O and \-o options).
-The default output format includes, for each process, the process' ID,
+.Fl L
+.Fl O
+and
+.Fl o
+options).
+The default output format includes, for each process, the process'
+.Tn ID ,

 controlling terminal, cpu time (including both user and system time),
 state, and associated command.
 controlling terminal, cpu time (including both user and system time),
 state, and associated command.

-.PP
+.Pp

 The options are as follows:
 The options are as follows:

-.TP
-\-a
+.Bl -tag -width indent
+.It Fl a

 Display information about other users' processes as well as your own.
 Display information about other users' processes as well as your own.

-.TP
-\-C
+.It Fl C

 Change the way the cpu percentage is calculated by using a ``raw''
 cpu calculation that ignores ``resident'' time (this normally has
 no effect).
 Change the way the cpu percentage is calculated by using a ``raw''
 cpu calculation that ignores ``resident'' time (this normally has
 no effect).

-.TP
-\-h
+.It Fl h

 Repeat the information header as often as necessary to guarantee one
 header per page of information.
 Repeat the information header as often as necessary to guarantee one
 header per page of information.

-.TP
-\-j
+.It Fl j

 Print information associated with the following keywords:
 user, pid, ppid, pgid, sess, jobc, state, tt, time and command.
 Print information associated with the following keywords:
 user, pid, ppid, pgid, sess, jobc, state, tt, time and command.

-.TP
-\-L
+.It Fl L

 List the set of available keywords.
 List the set of available keywords.

-If the \-L option is specified more than once,
-.I ps
-will display a long listing of the keywords and their meanings.
-.TP
-\-l
+.It Fl l

 Display information associated with the following keywords:
 uid, pid, ppid, cpu, pri, nice, vsz, rss, wchan, state, tt, time
 and command.
 Display information associated with the following keywords:
 uid, pid, ppid, cpu, pri, nice, vsz, rss, wchan, state, tt, time
 and command.

-.TP
-\-m
-Sort by memory usage, instead of by process ID.
-.TP
-\-O
+.It Fl M
+Extract values associated with the name list from the specified core
+instead of the default
+.Dq Pa /dev/kmem .
+.It Fl m
+Sort by memory usage, instead of by process
+.Tn ID .
+.It Fl N
+Extract the name list from the specified system instead of the default
+.Dq Pa /vmunix .
+.It Fl O

 Add the information associated with the space or comma separated list
 Add the information associated with the space or comma separated list

-of keywords specifed, after the process ID, in the default information
+of keywords specifed, after the process
+.Tn ID ,
+in the default information

 display.
 Keywords may be appended with an equals (``='') sign and a string.
 This causes the printed header to use the specified string instead of
 the standard header.
 display.
 Keywords may be appended with an equals (``='') sign and a string.
 This causes the printed header to use the specified string instead of
 the standard header.

-.TP
-\-o
+.It Fl o

 Display information associated with the space or comma separated list
 of keywords specifed.
 Keywords may be appended with an equals (``='') sign and a string.
 This causes the printed header to use the specified string instead of
 the standard header.
 Display information associated with the space or comma separated list
 of keywords specifed.
 Keywords may be appended with an equals (``='') sign and a string.
 This causes the printed header to use the specified string instead of
 the standard header.

-.TP
-\-p
-Display information associated with the specified process ID.
-.TP
-\-r
-Sort by current cpu usage, instead of by process ID.
-.TP
-\-S
+.It Fl p
+Display information associated with the specified process
+.Tn ID .
+.It Fl r
+Sort by current cpu usage, instead of by process
+.Tn ID .
+.It Fl S

 Change the way the process time is calculated by summing all exited
 children to their parent process.
 Change the way the process time is calculated by summing all exited
 children to their parent process.

-.TP
-\-T
+.It Fl T

 Display information about processes attached to the device associated
 with the standard input.
 Display information about processes attached to the device associated
 with the standard input.

-.TP
-\-t
+.It Fl t

 Display information about processes attached to the specified terminal
 device.
 Display information about processes attached to the specified terminal
 device.

-.TP
-\-u
+.It Fl u

 Display information associated with the following keywords:
 user, pid, %cpu, %mem, vsz, rss, tt, state, start, time and command.
 Display information associated with the following keywords:
 user, pid, %cpu, %mem, vsz, rss, tt, state, start, time and command.

-The \-u option implies the \-r option.
-.TP
-\-v
+The
+.Fl u
+option implies the
+.Fl r
+option.
+.It Fl v

 Display information associated with the following keywords:
 pid, state, time, sl, re, pagein, vsz, rss, lim, tsiz, trss,
 %cpu, %mem and command.
 Display information associated with the following keywords:
 pid, state, time, sl, re, pagein, vsz, rss, lim, tsiz, trss,
 %cpu, %mem and command.

-The \-v option implies the \-m option.
-.TP
-\-w
+The
+.Fl v
+option implies the
+.Fl m
+option.
+.It Fl W
+Extract swap information from the specified file instead of the
+default
+.Dq Pa /dev/swap .
+.It Fl w

 Use 132 columns to display information, instead of the default which
 is your window size.
 Use 132 columns to display information, instead of the default which
 is your window size.

-If the \-w option is specified more than once,
-.I ps
+If the
+.Fl w
+option is specified more than once,
+.Nm \&ps

 will use as many columns as necessary without regard for your window size.
 will use as many columns as necessary without regard for your window size.

-.TP
-\-x
+.It Fl x

 Display information about processes without controlling terminals.
 Display information about processes without controlling terminals.

-.PP
-Three additional arguments may be specified.
-The first additional argument is the file to read for the system namelist
-(instead of the default ``/vmunix'').
-The second additional argument is a core file to use for kernel memory
-(instead of the default ``/dev/mem'').
-The third addition argument is a file to be used for swap
-(instead of the default ``/dev/swap'').
-.PP
+.El
+.Pp

 A complete list of the available keywords are listed below.
 Some of these keywords are further specifed as follows:
 A complete list of the available keywords are listed below.
 Some of these keywords are further specifed as follows:

-.TP
-%cpu
+.Bl -tag -width indent
+.It %cpu

 The cpu utilization of the process; this is a decaying average over up to
 a minute of previous (real) time.
 Since the time base over which this is computed varies (since processes may
 The cpu utilization of the process; this is a decaying average over up to
 a minute of previous (real) time.
 Since the time base over which this is computed varies (since processes may

-be very young) it is possible for the sum of all %CPU fields to exceed 100%.
-.TP
-%mem
+be very young) it is possible for the sum of all
+.Tn \&%CPU
+fields to exceed 100%.
+.It %mem

 The percentage of real memory used by this process.
 The percentage of real memory used by this process.

-.TP
-flags
+.It flags

 The flags (in hexadecimal) associated with the process as in
 The flags (in hexadecimal) associated with the process as in

-the include file ``sys/proc.h'':
-.sp
-.nf
-.RS
-.ta \w'SNOCLDSTOP  'u +\w'0040000  'u
-SLOAD  0000001 in core
-SSYS   0000002 swapper or pager process
-SLOCK  0000004 process being swapped out
-SSWAP  0000008 save area flag
-STRC   0000010 process is being traced
-SWTED  0000020 another tracing flag
-SSINTR 0000040 sleep is interruptible
-SPAGE  0000080 process in page wait state
-SKEEP  0000100 another flag to prevent swap out
-SOMASK 0000200 restore old mask after taking signal
-SWEXIT 0000400 working on exiting
-SPHYSIO        0000800 doing physical i/o
-SVFORK 0001000 process resulted from vfork()
-SVFDONE        0002000 another vfork flag
-SNOVM  0004000 no vm, parent in a vfork()
-SPAGV  0008000 init data space on demand, from vnode
-SSEQL  0010000 user warned of sequential vm behavior
-SUANOM 0020000 user warned of random vm behavior
-STIMO  0040000 timing out during sleep
-SNOCLDSTOP     0080000 no SIGCHLD when children stop
-SCTTY  0100000 has a controlling terminal
-SOWEUPC        0200000 owe process an addupc() call at next ast
-SSEL   0400000 selecting; wakeup/waiting danger
-SEXEC  0800000 process called exec
-SHPUX  1000000 HP-UX process (HPUXCOMPAT)
-SULOCK 2000000 locked in core after swap error
-SPTECHG        4000000 pte's for process have changed
-.fi
-.RE
-.TP
-lim
+the include file
+.Aq Pa sys/proc.h :
+.Bl -column SNOCLDSTOP SNOCLDSTOP
+.It Dv "SLOAD" Ta No "0x0000001        in core"
+.It Dv "SSYS" Ta No "0x0000002 swapper or pager process"
+.It Dv "SLOCK" Ta No "0x0000004        process being swapped out"
+.It Dv "SSWAP" Ta No "0x0000008        save area flag"
+.It Dv "STRC" Ta No "0x0000010 process is being traced"
+.It Dv "SWTED" Ta No "0x0000020        another tracing flag"
+.It Dv "SSINTR" Ta No "0x0000040       sleep is interruptible"
+.It Dv "SPAGE" Ta No "0x0000080        process in page wait state"
+.It Dv "SKEEP" Ta No "0x0000100        another flag to prevent swap out"
+.It Dv "SOMASK" Ta No "0x0000200       restore old mask after taking signal"
+.It Dv "SWEXIT" Ta No "0x0000400       working on exiting"
+.It Dv "SPHYSIO" Ta No "0x0000800      doing physical"
+.Tn I/O
+.It Dv "SVFORK" Ta No "0x0001000       process resulted from"
+.Xr vfork 2
+.It Dv "SVFDONE" Ta No "0x0002000      another"
+.Xr vfork
+flag
+.It Dv "SNOVM" Ta No "0x0004000        no vm, parent in a"
+.Xr vfork
+.It Dv "SPAGV" Ta No "0x0008000        init data space on demand, from vnode"
+.It Dv "SSEQL" Ta No "0x0010000        user warned of sequential vm behavior"
+.It Dv "SUANOM" Ta No "0x0020000       user warned of random vm behavior"
+.It Dv "STIMO" Ta No "0x0040000        timing out during sleep"
+.It Dv "SNOCLDSTOP" Ta No "0x0080000   no"
+.Dv SIGCHLD
+when children stop
+.It Dv "SCTTY" Ta No "0x0100000        has a controlling terminal"
+.It Dv "SOWEUPC" Ta No "0x0200000      owe process an addupc() call at next ast"
+.\" the routine addupc is not documented in the man pages
+.It Dv "SSEL" Ta No "0x0400000 selecting; wakeup/waiting danger"
+.It Dv "SEXEC" Ta No "0x0800000        process called"
+.Xr exec 2
+.It Dv "SHPUX" Ta No "0x1000000        \\*(tNHP-UX\\*(sP process
+.Pq Dv HPUXCOMPAT
+.It Dv "SULOCK" Ta No "0x2000000       locked in core after swap error"
+.It Dv "SPTECHG" Ta No "0x4000000      pte's for process have changed"
+.El
+.It lim

 The soft limit on memory used, specified via a call to
 The soft limit on memory used, specified via a call to

-.IR setrlimit (2).
-.TP
-lstart
+.Xr setrlimit 2 .
+.It lstart

 The exact time the command started, using the ``%C'' format described in
 The exact time the command started, using the ``%C'' format described in

-.IR strftime (3).
-.TP
-nice
+.Xr strftime 3 .
+.It nice

 The process scheduling increment (see
 The process scheduling increment (see

-.IR setpriority (2)).
-.TP
-rss
+.Xr setpriority 2 ) .
+.It rss

 the real memory (resident set) size of the process (in 1024 byte units).
 the real memory (resident set) size of the process (in 1024 byte units).

-.TP
-start
+.It start

 The time the command started.
 If the command started less than 24 hours ago, the start time is
 The time the command started.
 If the command started less than 24 hours ago, the start time is

-displayed using the ``%l:ps.1p'' format described in 
-.IR strftime (3).
+displayed using the ``%l:ps.1p'' format described in
+.Xr strftime 3 .

 If the command started less than 7 days ago, the start time is
 If the command started less than 7 days ago, the start time is

-displayed using the ``%a6.13p'' format.
+displayed using the ``%a6.15p'' format.

 Otherwise, the start time is displayed using the ``%e%b%y'' format.
 Otherwise, the start time is displayed using the ``%e%b%y'' format.

-.TP
-state
-The state is given by a sequence of letters, e.g., ``RWNA''.
+.It state
+The state is given by a sequence of letters, for example,
+.Dq Tn RWNA .

 The first letter indicates the run state of the process:
 The first letter indicates the run state of the process:

-.sp
-.PD 0
-.RS
-.IP D
+.Pp
+.Bl -tag -width indent -compact
+.It D

 Marks a process in disk (or other short term, uninterruptable) wait.
 Marks a process in disk (or other short term, uninterruptable) wait.

-.IP I
+.It I

 Marks a process that is idle (sleeping for longer than about 20 seconds).
 Marks a process that is idle (sleeping for longer than about 20 seconds).

-.IP P
+.It P

 Marks a process in page wait.
 Marks a process in page wait.

-.IP R
+.It R

 Marks a runnable process.
 Marks a runnable process.

-.IP S
+.It S

 Marks a process that is sleeping for less than about 20 seconds.
 Marks a process that is sleeping for less than about 20 seconds.

-.IP T
+.It T

 Marks a stopped process.
 Marks a stopped process.

-.IP Z
+.It Z

 Marks a dead process (a ``zombie'').
 Marks a dead process (a ``zombie'').

-.sp
-.PP
+.El
+.Pp

 Additional characters after these, if any, indicate additional state
 information:
 Additional characters after these, if any, indicate additional state
 information:

-.sp
-.IP +
+.Pp
+.Bl -tag -width indent -compact
+.It +

 The process is in the foreground process group of its control terminal.
 The process is in the foreground process group of its control terminal.

-.IP <
-The process has raised CPU scheduling priority.
-.IP >
+.It <
+The process has raised
+.Tn CPU
+scheduling priority.
+.It >

 The process has specified a soft limit on memory requirements and is
 currently exceeding that limit; such a process is (necessarily) not
 swapped.
 The process has specified a soft limit on memory requirements and is
 currently exceeding that limit; such a process is (necessarily) not
 swapped.

-.IP A
-the process has asked for random page replacement (VA_ANOM, from
-.IR vadvise (2),
-e.g.,
-.IR lisp (1)
+.It A
+the process has asked for random page replacement
+.Pf ( Dv VA_ANOM ,
+from
+.Xr vadvise 2 ,
+for example,
+.Xr lisp 1

 in a garbage collect).
 in a garbage collect).

-.IP E
+.It E

 The process is trying to exit.
 The process is trying to exit.

-.IP L
-The process has pages locked in core (e.g., for raw I/O).
-.IP N
-The process has reduced CPU scheduling priority (see
-.IR setpriority (2)).
-.IP S
-The process has asked for FIFO page replacement (VA_SEQL, from
-.IR vadvise (2),
-e.g., a large image processing program using virtual memory to
+.It L
+The process has pages locked in core (for example, for raw
+.Tn I/O ) .
+.It N
+The process has reduced
+.Tn CPU
+scheduling priority (see
+.Xr setpriority 2 ) .
+.It S
+The process has asked for
+.Tn FIFO
+page replacement
+.Pf ( Dv VA_SEQL ,
+from
+.Xr vadvise 2 ,
+for example, a large image processing program using virtual memory to

 sequentially address voluminous data).
 sequentially address voluminous data).

-.IP s
+.It s

 The process is a session leader.
 The process is a session leader.

-.IP V
-The process is suspended during a vfork.
-.IP W
+.It V
+The process is suspended during a
+.Xr vfork .
+.It W

 The process is swapped out.
 The process is swapped out.

-.IP X
+.It X

 The process is being traced or debugged.
 The process is being traced or debugged.

-.RE
-.PD
-.TP
-tt
+.El
+.It tt

 An abbreviation for the pathname of the controlling terminal, if any.
 An abbreviation for the pathname of the controlling terminal, if any.

-The abbreviation consists of the two letters following ``/dev/tty'',
+The abbreviation consists of the two letters following
+.Dq Pa /dev/tty ,

 or, for the console, ``co''.
 This is followed by a ``-'' if the process can no longer reach that
 controlling terminal (i.e., it has been revoked).
 or, for the console, ``co''.
 This is followed by a ``-'' if the process can no longer reach that
 controlling terminal (i.e., it has been revoked).

-.TP
-wchan
-The event on which the process is waiting (an address in the system).
+.It wchan
+The event (an address in the system) on which a process waits.

 When printed numerically, the initial part of the address is
 When printed numerically, the initial part of the address is

-trimmed off and the result is printed in hex, e.g., 0x80324000 prints
+trimmed off and the result is printed in hex, for example, 0x80324000 prints

 as 324000.
 as 324000.

-.PP
+.El
+.Pp

 When printing using the command keyword, a process that has exited and
 When printing using the command keyword, a process that has exited and

-has a parent that has not yet waited for the process (i.e., a zombie)
+has a parent that has not yet waited for the process (in other words, a zombie)

 is listed as ``<defunct>'', and a process which is blocked while trying
 to exit is listed as ``<exiting>''.
 is listed as ``<defunct>'', and a process which is blocked while trying
 to exit is listed as ``<exiting>''.

-.B Ps
+.Nm \&Ps

 makes an educated guess as to the file name and arguments given when the
 process was created by examining memory or the swap area.
 The method is inherently somewhat unreliable and in any event a process
 is entitled to destroy this information, so the names cannot be depended
 on too much.
 The ucomm (accounting) keyword can, however, be depended on.
 makes an educated guess as to the file name and arguments given when the
 process was created by examining memory or the swap area.
 The method is inherently somewhat unreliable and in any event a process
 is entitled to destroy this information, so the names cannot be depended
 on too much.
 The ucomm (accounting) keyword can, however, be depended on.

-.SH "KEYWORDS"
+.Sh KEYWORDS

 The following is a complete list of the available keywords and their
 meanings.
 The following is a complete list of the available keywords and their
 meanings.

-Several of them have aliases, i.e. keywords that are synonyms.
-.sp
-.PD 0
-.IP %cpu 10
+Several of them have aliases (keywords which are synonyms).
+.Pp
+.Bl -tag -width sigignore -compact
+.It %cpu

 percentage cpu usage (alias pcpu)
 percentage cpu usage (alias pcpu)

-.IP %mem 10
+.It %mem

 percentage memory usage (alias pmem)
 percentage memory usage (alias pmem)

-.IP acflag 10
+.It acflag

 accounting flag (alias acflg)
 accounting flag (alias acflg)

-.IP command 10
+.It command

 command and arguments
 command and arguments

-.IP cpu 10
+.It cpu

 short-term cpu usage factor (for scheduling)
 short-term cpu usage factor (for scheduling)

-.IP flags 10
+.It flags

 the process flags, in hexadecimal (alias f)
 the process flags, in hexadecimal (alias f)

-.IP inblk 10
+.It inblk

 total blocks read (alias inblock)
 total blocks read (alias inblock)

-.IP jobc 10
+.It jobc

 job control count
 job control count

-.IP ktrace 10
+.It ktrace

 tracing flags
 tracing flags

-.IP ktracep 10
+.It ktracep

 tracing vnode
 tracing vnode

-.IP lim 10
+.It lim

 memoryuse limit
 memoryuse limit

-.IP logname 10
+.It logname

 login name of user who started the process
 login name of user who started the process

-.IP lstart 10
+.It lstart

 time started
 time started

-.IP majflt 10
+.It majflt

 total page faults
 total page faults

-.IP minflt 10
+.It minflt

 total page reclaims
 total page reclaims

-.IP msgrcv 10
+.It msgrcv

 total messages received (reads from pipes/sockets)
 total messages received (reads from pipes/sockets)

-.IP msgsnd 10
+.It msgsnd

 total messages sent (writes on pipes/sockets)
 total messages sent (writes on pipes/sockets)

-.IP nice 10
+.It nice

 nice value (alias ni)
 nice value (alias ni)

-.IP nivcsw 10
+.It nivcsw

 total involuntary context switches
 total involuntary context switches

-.IP nsigs 10
+.It nsigs

 total signals taken (alias nsignals)
 total signals taken (alias nsignals)

-.IP nswap 10
+.It nswap

 total swaps in/out
 total swaps in/out

-.IP nvcsw 10
+.It nvcsw

 total voluntary context switches
 total voluntary context switches

-.IP nwchan 10
+.It nwchan

 wait channel (as an address)
 wait channel (as an address)

-.IP oublk 10
+.It oublk

 total blocks written (alias oublock)
 total blocks written (alias oublock)

-.IP p_ru 10
+.It p_ru

 resource usage (valid only for zombie)
 resource usage (valid only for zombie)

-.IP paddr 10
+.It paddr

 swap address
 swap address

-.IP pagein 10
+.It pagein

 pageins (same as majflt)
 pageins (same as majflt)

-.IP pgid 10
+.It pgid

 process group number
 process group number

-.IP pid 10
-process ID
-.IP poip 10
+.It pid
+process
+.Tn ID
+.It poip

 pageouts in progress
 pageouts in progress

-.IP ppid 10
-parent process ID
-.IP pri 10
+.It ppid
+parent process
+.Tn ID
+.It pri

 scheduling priority
 scheduling priority

-.IP re 10
+.It re

 core residency time (in seconds; 127 = infinity)
 core residency time (in seconds; 127 = infinity)

-.IP rgid 10
-real group ID
-.IP rlink 10
+.It rgid
+real group
+.Tn ID
+.It rlink

 reverse link on run queue, or 0
 reverse link on run queue, or 0

-.IP rss 10
+.It rss

 resident set size
 resident set size

-.IP rsz 10
+.It rsz

 resident set size + (text size / text use count) (alias rssize)
 resident set size + (text size / text use count) (alias rssize)

-.IP ruid 10
-real user ID
-.IP ruser 10
+.It ruid
+real user
+.Tn ID
+.It ruser

 user name (from ruid)
 user name (from ruid)

-.IP sess 10
+.It sess

 session pointer
 session pointer

-.IP sig 10
+.It sig

 pending signals (alias pending)
 pending signals (alias pending)

-.IP sigcatch 10
+.It sigcatch

 caught signals (alias caught)
 caught signals (alias caught)

-.IP sigignore 10
+.It sigignore

 ignored signals (alias ignored)
 ignored signals (alias ignored)

-.IP sigmask 10
+.It sigmask

 blocked signals (alias blocked)
 blocked signals (alias blocked)

-.IP sl 10
+.It sl

 sleep time (in seconds; 127 = infinity)
 sleep time (in seconds; 127 = infinity)

-.IP start 10
+.It start

 time started
 time started

-.IP state 10
+.It state

 symbolic process state (alias stat)
 symbolic process state (alias stat)

-.IP svgid 10
+.It svgid

 saved gid from a setgid executable
 saved gid from a setgid executable

-.IP svuid 10
+.It svuid

 saved uid from a setuid executable
 saved uid from a setuid executable

-.IP tdev 10
+.It tdev

 control terminal device number
 control terminal device number

-.IP time 10
+.It time

 accumulated cpu time, user + system (alias cputime)
 accumulated cpu time, user + system (alias cputime)

-.IP tpgid 10
-control terminal process group ID
-.IP trss 10
+.It tpgid
+control terminal process group
+.Tn ID
+.It trss

 text resident set size (in Kbytes)
 text resident set size (in Kbytes)

-.IP tsess 10
+.It tsess

 control terminal session pointer
 control terminal session pointer

-.IP tsiz 10
+.It tsiz

 text size (in Kbytes)
 text size (in Kbytes)

-.IP tt 10
+.It tt

 control terminal name (two letter abbreviation)
 control terminal name (two letter abbreviation)

-.IP tty 10
+.It tty

 full name of control terminal
 full name of control terminal

-.IP uprocp 10
+.It uprocp

 process pointer
 process pointer

-.IP ucomm 10
+.It ucomm

 name to be used for accounting
 name to be used for accounting

-.IP uid 10
-effective user ID
-.IP upr 10
+.It uid
+effective user
+.Tn ID
+.It upr

 scheduling priority on return from system call (alias usrpri)
 scheduling priority on return from system call (alias usrpri)

-.IP user 10
+.It user

 user name (from uid)
 user name (from uid)

-.IP vsz 10
+.It vsz

 virtual size in Kbytes (alias vsize)
 virtual size in Kbytes (alias vsize)

-.IP wchan 10
+.It wchan

 wait channel (as a symbolic name)
 wait channel (as a symbolic name)

-.IP xstat 10
+.It xstat

 exit or stop status (valid only for stopped or zombie process)
 exit or stop status (valid only for stopped or zombie process)

-.PD
-.SH FILES
-.ta \w'/var/run/kvm_vmunix.db  'u
-/dev   special files and device names
-.br
-/dev/drum      default swap device
-.br
-/dev/kmem      default kernel memory
-.br
-/var/run/dev.db        /dev name database
-.br
-/var/run/kvm_vmunix.db system namelist database
-.br
-/vmunix        default system namelist
-.SH "SEE ALSO"
-kill(1), w(1), kvm(3), strftime(3), pstat(8)
-.SH BUGS
-Things can change while
-.I ps
-is running; the picture it gives is only a fairly close
-approximation to reality.
+.El
+.Sh FILES
+.Bl -tag -width /var/run/kvm_vmunix.db -compact
+.It Pa /dev
+special files and device names
+.It Pa /dev/drum
+default swap device
+.It Pa /dev/kmem
+default kernel memory
+.It Pa /var/run/dev.db
+/dev name database
+.It Pa /var/run/kvm_vmunix.db
+system namelist database
+.It Pa /vmunix
+default system namelist
+.El
+.Sh SEE ALSO
+.Xr kill 1 ,
+.Xr w 1 ,
+.Xr kvm 3 ,
+.Xr strftime 3 ,
+.Xr pstat 8
+.Sh BUGS
+Since
+.Nm \&ps
+cannot run faster than the system and is run as any other scheduled
+process, the information it displays can never be exact.