Annotation of src/usr.bin/systat/systat.1, Revision 1.77
1.77 ! jmc 1: .\" $OpenBSD: systat.1,v 1.76 2008/12/07 08:40:40 jmc Exp $
1.2 deraadt 2: .\" $NetBSD: systat.1,v 1.6 1996/05/10 23:16:39 thorpej Exp $
1.1 deraadt 3: .\"
4: .\" Copyright (c) 1985, 1990, 1993
5: .\" The Regents of the University of California. All rights reserved.
6: .\"
7: .\" Redistribution and use in source and binary forms, with or without
8: .\" modification, are permitted provided that the following conditions
9: .\" are met:
10: .\" 1. Redistributions of source code must retain the above copyright
11: .\" notice, this list of conditions and the following disclaimer.
12: .\" 2. Redistributions in binary form must reproduce the above copyright
13: .\" notice, this list of conditions and the following disclaimer in the
14: .\" documentation and/or other materials provided with the distribution.
1.28 millert 15: .\" 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 16: .\" may be used to endorse or promote products derived from this software
17: .\" without specific prior written permission.
18: .\"
19: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: .\" SUCH DAMAGE.
30: .\"
31: .\" @(#)systat.1 8.2 (Berkeley) 12/30/93
32: .\"
1.76 jmc 33: .Dd $Mdocdate: December 7 2008 $
1.1 deraadt 34: .Dt SYSTAT 1
1.12 aaron 35: .Os
1.1 deraadt 36: .Sh NAME
37: .Nm systat
1.41 jmc 38: .Nd display system statistics
1.1 deraadt 39: .Sh SYNOPSIS
40: .Nm systat
1.62 matthieu 41: .Op Fl abin
42: .Op Fl d Ar count
43: .Op Fl s Ar delay
44: .Op Fl w Ar width
45: .Op Ar view
46: .Op Ar delay
1.1 deraadt 47: .Sh DESCRIPTION
1.13 aaron 48: .Nm
1.73 jmc 49: displays various system statistics in a screen-oriented fashion
50: using the
51: .Xr curses 3
52: screen display library.
1.1 deraadt 53: .Pp
54: While
1.13 aaron 55: .Nm
1.73 jmc 56: is running, the screen is divided into differing areas.
57: The top line depicts the current system load average.
58: The bottom line of the screen is reserved for
59: user input and error messages.
60: The information displayed in the rest of the screen
61: comprises a
62: .Em view ,
63: and is the main interface for
1.76 jmc 64: displaying different types of system statistics.
1.73 jmc 65: The
66: .Ic vmstat
67: view is the default.
1.77 ! jmc 68: .Pp
! 69: Certain information may be discarded when the screen size is
! 70: insufficient for display.
! 71: For example, on a machine with 10 drives the
! 72: .Ic iostat
! 73: bar graph displays only 3 drives on a 24 line terminal.
! 74: When a bar graph would overflow the allotted screen space it is
! 75: truncated and the actual value is printed
! 76: .Dq over top
! 77: of the bar.
1.76 jmc 78: .\".Pp
79: .\"Input is interpreted at two different levels.
80: .\"A
81: .\".Dq global
82: .\"command interpreter processes all keyboard input.
83: .\"If this command interpreter fails to recognize a command, the
84: .\"input line is passed to a per-display command interpreter.
85: .\"This allows each display to have certain display-specific commands.
1.1 deraadt 86: .Pp
1.16 aaron 87: The options are as follows:
1.62 matthieu 88: .Bl -tag -width Ds
1.64 jmc 89: .It Fl a
1.62 matthieu 90: Display all lines.
91: .It Fl b
1.64 jmc 92: Raw, non interactive mode.
1.62 matthieu 93: .It Fl d Ar count
94: Exit after
95: .Ar count
96: screen updates.
97: .It Fl i
98: Interactive mode.
1.34 itojun 99: .It Fl n
1.73 jmc 100: Do not try to reverse map IP addresses.
1.62 matthieu 101: .It Fl s Ar delay
1.31 jmc 102: Specifies the screen refresh time interval in seconds.
1.62 matthieu 103: This option is overridden by the final
1.64 jmc 104: .Ar delay
1.73 jmc 105: argument, if given.
1.31 jmc 106: The default interval is 5 seconds.
1.62 matthieu 107: .It Fl w Ar width
1.63 sobrado 108: Specifies the maximum width of the display.
1.62 matthieu 109: .\" XXX not sure for the above.
110: .It Ar view
1.1 deraadt 111: The
1.62 matthieu 112: .Ar view
1.2 deraadt 113: argument expects to be one of:
1.62 matthieu 114: .Ic vmstat ,
1.1 deraadt 115: .Ic pigs ,
1.62 matthieu 116: .Ic ifstat ,
1.1 deraadt 117: .Ic iostat ,
1.49 deraadt 118: .Ic sensors ,
1.1 deraadt 119: .Ic mbufs ,
1.62 matthieu 120: .Ic netstat ,
121: .Ic swap ,
122: .Ic states ,
123: .Ic rules ,
1.68 canacar 124: .Ic queues ,
1.71 canacar 125: .Ic pf ,
126: .Ic pool ,
127: .Ic malloc ,
1.1 deraadt 128: or
1.71 canacar 129: .Ic buckets .
1.2 deraadt 130: These displays can also be requested interactively and are described in
1.1 deraadt 131: full detail below.
1.62 matthieu 132: .Ar view
1.53 jmc 133: may be abbreviated to the minimum unambiguous prefix;
134: for example,
1.50 jmc 135: .Dq io
136: for
137: .Dq iostat .
1.62 matthieu 138: .It Ar delay
1.1 deraadt 139: The
1.62 matthieu 140: .Ar delay
1.73 jmc 141: argument specifies the screen refresh time interval in seconds.
142: This is provided for backwards compatibility, and overrides any
1.31 jmc 143: interval specified with the
1.73 jmc 144: .Fl s
1.2 deraadt 145: flag.
1.31 jmc 146: The default interval is 5 seconds.
1.1 deraadt 147: .El
148: .Pp
149: Certain characters cause immediate action by
1.61 jmc 150: .Nm .
1.63 sobrado 151: These are:
1.1 deraadt 152: .Bl -tag -width Fl
153: .It Ic \&:
154: Move the cursor to the command line and interpret the input
1.16 aaron 155: line typed as a command.
156: While entering a command the
1.1 deraadt 157: current character erase, word erase, and line kill characters
158: may be used.
1.69 canacar 159: .It Ic o
160: Select the next ordering which sorts the rows according to a
1.70 jmc 161: combination of columns.
162: Available orderings depend on the view.
163: Not all views support orderings.
1.66 canacar 164: .It Ic p
165: Pause
166: .Nm .
1.59 jmc 167: .It Ic q
1.73 jmc 168: Quit
1.66 canacar 169: .Nm .
1.69 canacar 170: .It Ic r
171: Reverse the selected ordering if supported by the view.
1.66 canacar 172: .It Ic ^A \*(Ba Aq Ic Home
173: Jump to the beginning of the current view.
174: .It Ic ^B \*(Ba Aq Ic right arrow
175: Select previous view.
176: .It Ic ^E \*(Ba Aq Ic End
177: Jump to the end of the current view.
178: .It Ic ^F \*(Ba Aq Ic left arrow
179: Select the next view.
180: .It Ic ^G
181: Print the name of the current
1.73 jmc 182: view being shown and the refresh interval.
1.66 canacar 183: .It Ic ^L
184: Refresh the screen.
185: .It Ic ^N \*(Ba Aq Ic down arrow
186: Scroll current view down by one line.
187: .It Ic ^P \*(Ba Aq Ic up arrow
188: Scroll current view up by one line.
189: .It Ic ^V \*(Ba Aq Ic Page Down
190: Scroll current view down by one page.
191: .It Ic Alt-V \*(Ba Aq Ic Page Up
192: Scroll current view up by one page.
193: .It Ic ^Z
194: Suspend
1.59 jmc 195: .Nm .
1.1 deraadt 196: .El
197: .Pp
1.13 aaron 198: The following commands are interpreted by the
199: .Dq global
1.1 deraadt 200: command interpreter.
201: .Bl -tag -width Fl
202: .It Ic help
1.73 jmc 203: Print the names of the available views on the command line.
1.52 jmc 204: .It Ic quit
1.73 jmc 205: Quit
1.61 jmc 206: .Nm .
1.52 jmc 207: (This may be abbreviated to
208: .Ic q . )
1.1 deraadt 209: .It Ic stop
210: Stop refreshing the screen.
211: .It Xo
212: .Op Ic start
213: .Op Ar number
214: .Xc
1.16 aaron 215: Start (continue) refreshing the screen.
216: If a second, numeric,
1.1 deraadt 217: argument is provided it is interpreted as a refresh interval
218: (in seconds).
219: Supplying only a number will set the refresh interval to this
220: value.
221: .El
222: .Pp
1.73 jmc 223: .Ar view
1.53 jmc 224: may be abbreviated to the minimum unambiguous prefix.
1.73 jmc 225: The available views are:
1.52 jmc 226: .Bl -tag -width "netstatXXX"
1.71 canacar 227: .It Ic buckets
228: Display kernel
229: .Xr malloc 9
230: bucket statistics similar to the output of
231: .Cm vmstat Fl m .
1.52 jmc 232: .It Ic ifstat
1.73 jmc 233: Display interface statistics.
1.52 jmc 234: The
235: .Dq State
236: column has the format
237: .Sm off
238: .Xo
239: .Cm up \*(Ba dn
240: .Bq : Cm U \*(Ba D .
241: .Xc
242: .Sm on
243: .Sq up
244: and
245: .Sq dn
246: represent whether the interface is up or down.
247: .Sq U
248: and
249: .Sq D
250: represent whether the interface is connected or not;
251: in the case of
252: .Xr carp 4
253: interfaces, whether the interface is in master or backup state, respectively.
1.76 jmc 254: .\"See below for more options.
1.52 jmc 255: .It Ic iostat
1.73 jmc 256: Display statistics about disk throughput.
1.52 jmc 257: Statistics
258: on disk throughput show, for each drive, data transferred in kilobytes,
259: number of disk transactions performed, and time spent in disk accesses
1.56 otto 260: (in fractions of a second).
1.71 canacar 261: .It Ic malloc
262: Display kernel
263: .Xr malloc 9
264: type statistics similar to the output of
265: .Cm vmstat Fl m .
266: Available orderings are:
267: .Ic name ,
268: .Ic inuse ,
269: .Ic memuse ,
270: and
271: .Ic requests .
1.72 jmc 272: .It Ic mbufs
1.73 jmc 273: Display the number of mbufs allocated
274: for particular uses,
275: such as data and socket structures.
1.52 jmc 276: .It Ic netstat
1.73 jmc 277: Display network connections.
1.52 jmc 278: By default, network servers awaiting requests are not displayed.
279: Each address
280: is displayed in the format
1.76 jmc 281: .Dq host:port ,
1.52 jmc 282: with each shown symbolically, when possible.
1.76 jmc 283: .\"It is possible to have addresses displayed numerically,
284: .\"limit the display to a set of ports, hosts, and/or protocols
285: .\"(the minimum unambiguous prefix may be supplied):
286: .\".Bl -tag -width Ar
287: .\".It Cm all
288: .\"Toggle the displaying of server processes awaiting requests (this
289: .\"is the equivalent of the
290: .\".Fl a
291: .\"flag to
292: .\".Xr netstat 1 ) .
293: .\".It Cm display Op Ar items
294: .\"Display information about the connections associated with the
295: .\"specified hosts or ports.
296: .\"As for
297: .\".Ar ignore ,
298: .\".Ar items
299: .\"may be names or numbers.
300: .\".It Cm ignore Op Ar items
301: .\"Do not display information about connections associated with
302: .\"the specified hosts or ports.
303: .\"Hosts and ports may be specified
304: .\"by name
305: .\".Pf ( Dq vangogh ,
306: .\".Dq ftp ) ,
307: .\"or numerically.
308: .\"Host addresses
309: .\"use the Internet dot notation
310: .\".Pq Dq 128.32.0.9 .
311: .\"Multiple items
312: .\"may be specified with a single command by separating them with
313: .\"spaces.
314: .\".It Cm names
315: .\"Display network addresses symbolically.
316: .\".It Cm numbers
317: .\"Display network addresses numerically.
318: .\".It Cm reset
319: .\"Reset the port, host, and protocol matching mechanisms to the default
320: .\"(any protocol, port, or host).
321: .\".It Cm show Oo
322: .\".Ar protocols \*(Ba ports \*(Ba hosts
323: .\".Oc
324: .\"Show, on the command line, the currently selected protocols,
325: .\"hosts, and ports.
326: .\"Protocols, hosts and ports which are being ignored are prefixed with a
327: .\".Ql \&! .
328: .\"If an argument is supplied to
329: .\".Cm show ,
330: .\"then only the requested information will be displayed.
331: .\".It Cm tcp \*(Ba udp \*(Ba all
332: .\"Display only network connections using the indicated protocol.
333: .\".El
1.62 matthieu 334: .It Ic pf
1.64 jmc 335: Display filter information about
1.62 matthieu 336: .Xr pf 4 ,
337: similar to the output of
1.64 jmc 338: .Cm pfctl Fl s Cm info
1.62 matthieu 339: option.
1.1 deraadt 340: .It Ic pigs
1.73 jmc 341: Display those processes resident in main
1.1 deraadt 342: memory and getting the
1.73 jmc 343: largest portion of the processor.
1.1 deraadt 344: When less than 100% of the
345: processor is scheduled to user processes, the remaining time
1.13 aaron 346: is accounted to the
347: .Dq idle
348: process.
1.68 canacar 349: .It Ic pool
350: Display kernel
351: .Xr pool 9
352: statistics similar to the output of
353: .Cm vmstat Fl m .
1.69 canacar 354: Available orderings are:
1.75 canacar 355: .Ic name ,
356: .Ic requests ,
1.76 jmc 357: .Ic size ,
1.69 canacar 358: and
1.75 canacar 359: .Ic number of pages .
1.62 matthieu 360: .It Ic queues
1.64 jmc 361: Display statistics about the active
362: .Xr altq 9
363: queues, similar to the output of
1.62 matthieu 364: .Cm pfctl Fl s Cm queue .
365: .It Ic rules
1.64 jmc 366: Display pf rules statistics, similar to the output of
1.62 matthieu 367: .Cm pfctl Fl s Cm rules .
1.52 jmc 368: .It Ic sensors
1.73 jmc 369: Display the current values of available hardware sensors,
1.52 jmc 370: in a format similar to that of
371: .Xr sysctl 8 .
1.62 matthieu 372: .It Ic states
1.64 jmc 373: Display pf states statistics, similar to the output of
1.62 matthieu 374: .Cm pfctl Fl s Cm states .
1.69 canacar 375: Available orderings are:
376: .Ic none ,
377: .Ic bytes ,
378: .Ic expiry ,
379: .Ic packets ,
380: .Ic age ,
381: .Ic source address ,
382: .Ic source port ,
383: .Ic destination address ,
384: .Ic destination port ,
385: .Ic rate ,
386: and
387: .Ic peak
388: columns.
1.1 deraadt 389: .It Ic swap
1.12 aaron 390: Show information about swap space usage on all the
1.1 deraadt 391: swap areas compiled into the kernel.
392: The first column is the device name of the partition.
393: The next column is the total space available in the partition.
1.12 aaron 394: The
1.1 deraadt 395: .Ar Used
396: column indicates the total blocks used so far;
397: the graph shows the percentage of space in use on each partition.
1.8 aaron 398: If there is more than one swap partition in use,
1.1 deraadt 399: a total line is also shown.
1.8 aaron 400: Areas known to the kernel but not in use are shown as not available.
1.1 deraadt 401: .It Ic vmstat
402: Take over the entire display and show a (rather crowded) compendium
403: of statistics related to virtual memory usage, process scheduling,
1.60 jmc 404: device interrupts, system name translation caching, disk I/O etc.
1.73 jmc 405: This view is the default.
1.1 deraadt 406: .Pp
407: The upper left quadrant of the screen shows the number
1.8 aaron 408: of users logged in and the load average over the last 1, 5,
409: and 15 minute intervals.
1.1 deraadt 410: Below this line are statistics on memory utilization.
411: The first row of the table reports memory usage only among
1.8 aaron 412: active processes, that is, processes that have run in the previous
1.1 deraadt 413: twenty seconds.
414: The second row reports on memory usage of all processes.
1.47 millert 415: The first column reports on the amount of physical memory
1.1 deraadt 416: claimed by processes.
1.29 jmc 417: The second column reports the same figure for
1.47 millert 418: virtual memory, that is, the amount of memory that would be
419: needed if all processes were resident at the same time.
420: Finally, the last column shows the amount of physical memory
1.1 deraadt 421: on the free list.
422: .Pp
1.5 flipk 423: Below the memory display is a list of the average number of processes
1.13 aaron 424: (over the last refresh interval) that are runnable
425: .Pq Sq r ,
426: in disk wait other than paging
427: .Pq Sq d ,
428: sleeping
429: .Pq Sq s ,
430: and swapped out but desiring to run
431: .Pq Sq w .
1.1 deraadt 432: Below the queue length listing is a numerical listing and
433: a bar graph showing the amount of
1.40 dlg 434: interrupt (shown as
1.63 sobrado 435: .Ql \*(Ba ) ,
1.16 aaron 436: system (shown as
437: .Ql = ) ,
438: user (shown as
1.43 jmc 439: .Ql \*(Gt ) ,
1.16 aaron 440: nice (shown as
441: .Ql - ) ,
442: and idle time (shown as
1.29 jmc 443: .Ql \ \& ) .
1.1 deraadt 444: .Pp
1.12 aaron 445: To the right of the Proc display are statistics about
1.16 aaron 446: Context switches
447: .Pq Dq Csw ,
448: Traps
449: .Pq Dq Trp ,
450: Syscalls
451: .Pq Dq Sys ,
452: Interrupts
453: .Pq Dq Int ,
454: Soft interrupts
455: .Pq Dq Sof ,
456: and Faults
457: .Pq Dq Flt
1.7 deraadt 458: which have occurred during the last refresh interval.
1.5 flipk 459: .Pp
460: Below the CPU Usage graph are statistics on name translations.
1.1 deraadt 461: It lists the number of names translated in the previous interval,
462: the number and percentage of the translations that were
463: handled by the system wide name translation cache, and
464: the number and percentage of the translations that were
465: handled by the per process name translation cache.
466: .Pp
1.5 flipk 467: At the bottom left is the disk usage display.
468: It reports the number of seeks, transfers, number
469: of kilobyte blocks transferred per second averaged over the
470: refresh period of the display (by default, five seconds), and
471: the time spent in disk accesses.
472: .Pp
1.1 deraadt 473: Under the date in the upper right hand quadrant are statistics
474: on paging and swapping activity.
475: The first two columns report the average number of pages
476: brought in and out per second over the last refresh interval
477: due to page faults and the paging daemon.
478: The third and fourth columns report the average number of pages
479: brought in and out per second over the last refresh interval
480: due to swap requests initiated by the scheduler.
481: The first row of the display shows the average
1.8 aaron 482: number of disk transfers per second over the last refresh interval.
483: The second row of the display shows the average
1.1 deraadt 484: number of pages transferred per second over the last refresh interval.
485: .Pp
486: Running down the right hand side of the display is a breakdown
487: of the interrupts being handled by the system.
488: At the top of the list is the total interrupts per second
489: over the time interval.
490: The rest of the column breaks down the total on a device
491: by device basis.
492: Only devices that have interrupted at least once since boot time are shown.
1.5 flipk 493: .Pp
494: Below the SWAPPING display and slightly to the left of the Interrupts
1.18 aaron 495: display is a list of virtual memory statistics.
496: The abbreviations are:
1.36 jmc 497: .Pp
1.38 niallo 498: .Bl -tag -compact -width "kmapentXX" -offset indent
1.21 deraadt 499: .It forks
500: process forks
501: .It fkppw
502: forks where parent waits
503: .It fksvm
504: forks where vmspace is shared
505: .It pwait
506: fault had to wait on a page
507: .It relck
508: fault relock called
509: .It rlkok
510: fault relock is successful
511: .It noram
512: faults out of ram
513: .It ndcpy
514: number of times fault clears "need copy"
515: .It fltcp
516: number of times fault promotes with copy
517: .It zfod
518: fault promotes with zerofill
1.5 flipk 519: .It cow
1.21 deraadt 520: number of times fault anon cow
521: .It fmin
522: min number of free pages
523: .It ftarg
524: target number of free pages
525: .It itarg
526: target number of inactive pages
527: .It wired
528: wired pages
1.25 deraadt 529: .It pdfre
1.21 deraadt 530: pages daemon freed since boot
531: .It pdscn
532: pages daemon scanned since boot
1.38 niallo 533: .It pzidle
534: number of zeroed pages
535: .It kmapent
536: number of kernel map entries
1.5 flipk 537: .El
538: .Pp
1.13 aaron 539: The
540: .Ql %zfod
541: value is more interesting when observed over a long
1.76 jmc 542: period, such as from boot time.
543: .\"(see the
544: .\".Cm boot
545: .\"option below).
1.35 markus 546: .El
1.74 jmc 547: .\".Pp
548: .\"The following commands are specific to the
549: .\".Ic vmstat
550: .\"and
551: .\".Ic ifstat
552: .\"views; the minimum unambiguous prefix may be supplied.
553: .\".Pp
554: .\".Bl -tag -width Ds -compact
555: .\".It Cm boot
556: .\"Display cumulative statistics since the system was booted.
557: .\".It Cm run
558: .\"Display statistics as a running total from the point this
559: .\"command is given.
560: .\".It Cm time
561: .\"Display statistics averaged over the refresh interval (the default).
562: .\".It Cm zero
563: .\"Reset running statistics to zero.
564: .\".El
565: .\".Pp
566: .\"The following commands are common to each view which shows
567: .\"information about disk drives.
568: .\"These commands are used to select a set of drives to report on,
569: .\"should a system have more drives configured
570: .\"than can normally be displayed on the screen.
571: .\".Pp
572: .\".Bl -tag -width Tx -compact
573: .\".It Cm display Op Ar drives
574: .\"Display information about the drives indicated.
575: .\"Multiple drives may be specified, separated by spaces.
576: .\".It Cm ignore Op Ar drives
577: .\"Do not display information about the drives indicated.
578: .\"Multiple drives may be specified, separated by spaces.
579: .\".El
1.1 deraadt 580: .Sh FILES
1.73 jmc 581: .Bl -tag -width "/etc/networksXXX" -compact
1.1 deraadt 582: .It Pa /etc/hosts
1.73 jmc 583: Host names.
1.1 deraadt 584: .It Pa /etc/networks
1.73 jmc 585: Network names.
1.62 matthieu 586: .It Pa /etc/pf.conf
1.73 jmc 587: .Xr pf 4
588: configuration.
1.1 deraadt 589: .It Pa /etc/services
1.73 jmc 590: Port names.
1.1 deraadt 591: .El
1.15 aaron 592: .Sh SEE ALSO
1.37 jmc 593: .Xt fstat 1 ,
1.15 aaron 594: .Xr kill 1 ,
1.37 jmc 595: .Xr netstat 1 ,
1.15 aaron 596: .Xr ps 1 ,
597: .Xr top 1 ,
1.37 jmc 598: .Xr iostat 8 ,
1.62 matthieu 599: .Xr pfctl 8 ,
1.37 jmc 600: .Xr pstat 8 ,
601: .Xr renice 8 ,
1.48 deanna 602: .Xr sysctl 8 ,
1.37 jmc 603: .Xr vmstat 8
1.1 deraadt 604: .Sh HISTORY
605: The
1.13 aaron 606: .Nm
1.73 jmc 607: program first appeared in
1.1 deraadt 608: .Bx 4.3 .
609: .Sh BUGS
610: Certain displays presume a minimum of 80 characters per line.
611: The
612: .Ic vmstat
613: display looks out of place because it is (it was added in as
614: a separate display rather than created as a new program).
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