Annotation of src/usr.bin/systat/systat.1, Revision 1.85
1.85 ! jmc 1: .\" $OpenBSD: systat.1,v 1.84 2009/11/15 09:05:09 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
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22: .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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31: .\" @(#)systat.1 8.2 (Berkeley) 12/30/93
32: .\"
1.85 ! jmc 33: .Dd $Mdocdate: November 15 2009 $
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
1.82 sobrado 41: .Op Fl abiNn
1.62 matthieu 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.
1.81 sthen 99: .It Fl N
100: Resolve network addresses to names.
101: This is the opposite of the
102: .Fl n
103: option.
1.34 itojun 104: .It Fl n
1.73 jmc 105: Do not try to reverse map IP addresses.
1.81 sthen 106: This is the default.
1.62 matthieu 107: .It Fl s Ar delay
1.31 jmc 108: Specifies the screen refresh time interval in seconds.
1.62 matthieu 109: This option is overridden by the final
1.64 jmc 110: .Ar delay
1.73 jmc 111: argument, if given.
1.31 jmc 112: The default interval is 5 seconds.
1.62 matthieu 113: .It Fl w Ar width
1.63 sobrado 114: Specifies the maximum width of the display.
1.62 matthieu 115: .\" XXX not sure for the above.
116: .It Ar view
1.1 deraadt 117: The
1.62 matthieu 118: .Ar view
1.2 deraadt 119: argument expects to be one of:
1.62 matthieu 120: .Ic vmstat ,
1.1 deraadt 121: .Ic pigs ,
1.62 matthieu 122: .Ic ifstat ,
1.1 deraadt 123: .Ic iostat ,
1.49 deraadt 124: .Ic sensors ,
1.1 deraadt 125: .Ic mbufs ,
1.62 matthieu 126: .Ic netstat ,
127: .Ic swap ,
128: .Ic states ,
129: .Ic rules ,
1.68 canacar 130: .Ic queues ,
1.71 canacar 131: .Ic pf ,
132: .Ic pool ,
133: .Ic malloc ,
1.80 jmc 134: .Ic buckets ,
135: .Ic nfsclient ,
1.1 deraadt 136: or
1.80 jmc 137: .Ic nfsserver .
1.2 deraadt 138: These displays can also be requested interactively and are described in
1.1 deraadt 139: full detail below.
1.62 matthieu 140: .Ar view
1.53 jmc 141: may be abbreviated to the minimum unambiguous prefix;
142: for example,
1.50 jmc 143: .Dq io
144: for
145: .Dq iostat .
1.62 matthieu 146: .It Ar delay
1.1 deraadt 147: The
1.62 matthieu 148: .Ar delay
1.73 jmc 149: argument specifies the screen refresh time interval in seconds.
150: This is provided for backwards compatibility, and overrides any
1.31 jmc 151: interval specified with the
1.73 jmc 152: .Fl s
1.2 deraadt 153: flag.
1.31 jmc 154: The default interval is 5 seconds.
1.1 deraadt 155: .El
156: .Pp
157: Certain characters cause immediate action by
1.61 jmc 158: .Nm .
1.63 sobrado 159: These are:
1.1 deraadt 160: .Bl -tag -width Fl
161: .It Ic \&:
162: Move the cursor to the command line and interpret the input
1.16 aaron 163: line typed as a command.
164: While entering a command the
1.1 deraadt 165: current character erase, word erase, and line kill characters
166: may be used.
1.69 canacar 167: .It Ic o
168: Select the next ordering which sorts the rows according to a
1.70 jmc 169: combination of columns.
170: Available orderings depend on the view.
171: Not all views support orderings.
1.66 canacar 172: .It Ic p
173: Pause
174: .Nm .
1.59 jmc 175: .It Ic q
1.73 jmc 176: Quit
1.66 canacar 177: .Nm .
1.69 canacar 178: .It Ic r
179: Reverse the selected ordering if supported by the view.
1.66 canacar 180: .It Ic ^A \*(Ba Aq Ic Home
181: Jump to the beginning of the current view.
182: .It Ic ^B \*(Ba Aq Ic right arrow
1.84 jmc 183: Select the previous view.
1.66 canacar 184: .It Ic ^E \*(Ba Aq Ic End
185: Jump to the end of the current view.
186: .It Ic ^F \*(Ba Aq Ic left arrow
187: Select the next view.
188: .It Ic ^G
189: Print the name of the current
1.73 jmc 190: view being shown and the refresh interval.
1.66 canacar 191: .It Ic ^L
192: Refresh the screen.
193: .It Ic ^N \*(Ba Aq Ic down arrow
194: Scroll current view down by one line.
195: .It Ic ^P \*(Ba Aq Ic up arrow
196: Scroll current view up by one line.
197: .It Ic ^V \*(Ba Aq Ic Page Down
198: Scroll current view down by one page.
199: .It Ic Alt-V \*(Ba Aq Ic Page Up
200: Scroll current view up by one page.
201: .It Ic ^Z
202: Suspend
1.59 jmc 203: .Nm .
1.1 deraadt 204: .El
205: .Pp
1.13 aaron 206: The following commands are interpreted by the
207: .Dq global
1.1 deraadt 208: command interpreter.
209: .Bl -tag -width Fl
210: .It Ic help
1.73 jmc 211: Print the names of the available views on the command line.
1.52 jmc 212: .It Ic quit
1.73 jmc 213: Quit
1.61 jmc 214: .Nm .
1.52 jmc 215: (This may be abbreviated to
216: .Ic q . )
1.1 deraadt 217: .It Ic stop
218: Stop refreshing the screen.
219: .It Xo
220: .Op Ic start
221: .Op Ar number
222: .Xc
1.16 aaron 223: Start (continue) refreshing the screen.
224: If a second, numeric,
1.1 deraadt 225: argument is provided it is interpreted as a refresh interval
226: (in seconds).
227: Supplying only a number will set the refresh interval to this
228: value.
229: .El
230: .Pp
1.73 jmc 231: .Ar view
1.53 jmc 232: may be abbreviated to the minimum unambiguous prefix.
1.73 jmc 233: The available views are:
1.52 jmc 234: .Bl -tag -width "netstatXXX"
1.71 canacar 235: .It Ic buckets
236: Display kernel
237: .Xr malloc 9
238: bucket statistics similar to the output of
239: .Cm vmstat Fl m .
1.52 jmc 240: .It Ic ifstat
1.73 jmc 241: Display interface statistics.
1.52 jmc 242: The
243: .Dq State
244: column has the format
245: .Sm off
246: .Xo
247: .Cm up \*(Ba dn
248: .Bq : Cm U \*(Ba D .
249: .Xc
250: .Sm on
251: .Sq up
252: and
253: .Sq dn
254: represent whether the interface is up or down.
255: .Sq U
256: and
257: .Sq D
258: represent whether the interface is connected or not;
259: in the case of
260: .Xr carp 4
261: interfaces, whether the interface is in master or backup state, respectively.
1.76 jmc 262: .\"See below for more options.
1.52 jmc 263: .It Ic iostat
1.73 jmc 264: Display statistics about disk throughput.
1.52 jmc 265: Statistics
266: on disk throughput show, for each drive, data transferred in kilobytes,
267: number of disk transactions performed, and time spent in disk accesses
1.56 otto 268: (in fractions of a second).
1.71 canacar 269: .It Ic malloc
270: Display kernel
271: .Xr malloc 9
272: type statistics similar to the output of
273: .Cm vmstat Fl m .
274: Available orderings are:
275: .Ic name ,
276: .Ic inuse ,
277: .Ic memuse ,
278: and
279: .Ic requests .
1.72 jmc 280: .It Ic mbufs
1.78 canacar 281: Display mbuf usage information from kernel pools
282: and mbuf cluster pool statistics of each network interface.
1.52 jmc 283: .It Ic netstat
1.73 jmc 284: Display network connections.
1.52 jmc 285: By default, network servers awaiting requests are not displayed.
286: Each address
287: is displayed in the format
1.76 jmc 288: .Dq host:port ,
1.52 jmc 289: with each shown symbolically, when possible.
1.76 jmc 290: .\"It is possible to have addresses displayed numerically,
291: .\"limit the display to a set of ports, hosts, and/or protocols
292: .\"(the minimum unambiguous prefix may be supplied):
293: .\".Bl -tag -width Ar
294: .\".It Cm all
295: .\"Toggle the displaying of server processes awaiting requests (this
296: .\"is the equivalent of the
297: .\".Fl a
298: .\"flag to
299: .\".Xr netstat 1 ) .
300: .\".It Cm display Op Ar items
301: .\"Display information about the connections associated with the
302: .\"specified hosts or ports.
303: .\"As for
304: .\".Ar ignore ,
305: .\".Ar items
306: .\"may be names or numbers.
307: .\".It Cm ignore Op Ar items
308: .\"Do not display information about connections associated with
309: .\"the specified hosts or ports.
310: .\"Hosts and ports may be specified
311: .\"by name
312: .\".Pf ( Dq vangogh ,
313: .\".Dq ftp ) ,
314: .\"or numerically.
315: .\"Host addresses
316: .\"use the Internet dot notation
317: .\".Pq Dq 128.32.0.9 .
318: .\"Multiple items
319: .\"may be specified with a single command by separating them with
320: .\"spaces.
321: .\".It Cm names
322: .\"Display network addresses symbolically.
323: .\".It Cm numbers
324: .\"Display network addresses numerically.
325: .\".It Cm reset
326: .\"Reset the port, host, and protocol matching mechanisms to the default
327: .\"(any protocol, port, or host).
328: .\".It Cm show Oo
329: .\".Ar protocols \*(Ba ports \*(Ba hosts
330: .\".Oc
331: .\"Show, on the command line, the currently selected protocols,
332: .\"hosts, and ports.
333: .\"Protocols, hosts and ports which are being ignored are prefixed with a
334: .\".Ql \&! .
335: .\"If an argument is supplied to
336: .\".Cm show ,
337: .\"then only the requested information will be displayed.
338: .\".It Cm tcp \*(Ba udp \*(Ba all
339: .\"Display only network connections using the indicated protocol.
340: .\".El
1.79 jasper 341: .It Ic nfsclient
1.80 jmc 342: Display statistics about NFS client activity.
1.84 jmc 343: Output resembles
1.79 jasper 344: .Cm nfsstat Fl c .
345: .It Ic nfsserver
1.80 jmc 346: Display statistics about NFS server activity.
1.84 jmc 347: Output resembles
1.79 jasper 348: .Cm nfsstat Fl s .
1.62 matthieu 349: .It Ic pf
1.64 jmc 350: Display filter information about
1.62 matthieu 351: .Xr pf 4 ,
352: similar to the output of
1.64 jmc 353: .Cm pfctl Fl s Cm info
1.62 matthieu 354: option.
1.1 deraadt 355: .It Ic pigs
1.73 jmc 356: Display those processes resident in main
1.1 deraadt 357: memory and getting the
1.73 jmc 358: largest portion of the processor.
1.1 deraadt 359: When less than 100% of the
360: processor is scheduled to user processes, the remaining time
1.13 aaron 361: is accounted to the
362: .Dq idle
363: process.
1.68 canacar 364: .It Ic pool
365: Display kernel
366: .Xr pool 9
367: statistics similar to the output of
368: .Cm vmstat Fl m .
1.69 canacar 369: Available orderings are:
1.75 canacar 370: .Ic name ,
371: .Ic requests ,
1.76 jmc 372: .Ic size ,
1.69 canacar 373: and
1.75 canacar 374: .Ic number of pages .
1.62 matthieu 375: .It Ic queues
1.64 jmc 376: Display statistics about the active
377: .Xr altq 9
378: queues, similar to the output of
1.62 matthieu 379: .Cm pfctl Fl s Cm queue .
380: .It Ic rules
1.64 jmc 381: Display pf rules statistics, similar to the output of
1.62 matthieu 382: .Cm pfctl Fl s Cm rules .
1.52 jmc 383: .It Ic sensors
1.73 jmc 384: Display the current values of available hardware sensors,
1.52 jmc 385: in a format similar to that of
386: .Xr sysctl 8 .
1.62 matthieu 387: .It Ic states
1.64 jmc 388: Display pf states statistics, similar to the output of
1.62 matthieu 389: .Cm pfctl Fl s Cm states .
1.69 canacar 390: Available orderings are:
391: .Ic none ,
392: .Ic bytes ,
393: .Ic expiry ,
394: .Ic packets ,
395: .Ic age ,
396: .Ic source address ,
397: .Ic source port ,
398: .Ic destination address ,
399: .Ic destination port ,
400: .Ic rate ,
401: and
402: .Ic peak
403: columns.
1.1 deraadt 404: .It Ic swap
1.12 aaron 405: Show information about swap space usage on all the
1.1 deraadt 406: swap areas compiled into the kernel.
407: The first column is the device name of the partition.
408: The next column is the total space available in the partition.
1.12 aaron 409: The
1.1 deraadt 410: .Ar Used
411: column indicates the total blocks used so far;
412: the graph shows the percentage of space in use on each partition.
1.8 aaron 413: If there is more than one swap partition in use,
1.1 deraadt 414: a total line is also shown.
1.8 aaron 415: Areas known to the kernel but not in use are shown as not available.
1.1 deraadt 416: .It Ic vmstat
417: Take over the entire display and show a (rather crowded) compendium
418: of statistics related to virtual memory usage, process scheduling,
1.84 jmc 419: device interrupts, system name translation caching, disk I/O, etc.
1.73 jmc 420: This view is the default.
1.1 deraadt 421: .Pp
422: The upper left quadrant of the screen shows the number
1.8 aaron 423: of users logged in and the load average over the last 1, 5,
424: and 15 minute intervals.
1.1 deraadt 425: Below this line are statistics on memory utilization.
426: The first row of the table reports memory usage only among
1.8 aaron 427: active processes, that is, processes that have run in the previous
1.1 deraadt 428: twenty seconds.
429: The second row reports on memory usage of all processes.
1.47 millert 430: The first column reports on the amount of physical memory
1.1 deraadt 431: claimed by processes.
1.29 jmc 432: The second column reports the same figure for
1.47 millert 433: virtual memory, that is, the amount of memory that would be
434: needed if all processes were resident at the same time.
435: Finally, the last column shows the amount of physical memory
1.1 deraadt 436: on the free list.
437: .Pp
1.5 flipk 438: Below the memory display is a list of the average number of processes
1.13 aaron 439: (over the last refresh interval) that are runnable
440: .Pq Sq r ,
441: in disk wait other than paging
442: .Pq Sq d ,
443: sleeping
444: .Pq Sq s ,
445: and swapped out but desiring to run
446: .Pq Sq w .
1.1 deraadt 447: Below the queue length listing is a numerical listing and
448: a bar graph showing the amount of
1.40 dlg 449: interrupt (shown as
1.63 sobrado 450: .Ql \*(Ba ) ,
1.16 aaron 451: system (shown as
452: .Ql = ) ,
453: user (shown as
1.43 jmc 454: .Ql \*(Gt ) ,
1.16 aaron 455: nice (shown as
456: .Ql - ) ,
457: and idle time (shown as
1.29 jmc 458: .Ql \ \& ) .
1.1 deraadt 459: .Pp
1.12 aaron 460: To the right of the Proc display are statistics about
1.16 aaron 461: Context switches
462: .Pq Dq Csw ,
463: Traps
464: .Pq Dq Trp ,
465: Syscalls
466: .Pq Dq Sys ,
467: Interrupts
468: .Pq Dq Int ,
469: Soft interrupts
470: .Pq Dq Sof ,
471: and Faults
472: .Pq Dq Flt
1.7 deraadt 473: which have occurred during the last refresh interval.
1.5 flipk 474: .Pp
1.83 jmc 475: Below the CPU usage graph are statistics on name translations.
1.1 deraadt 476: It lists the number of names translated in the previous interval,
477: the number and percentage of the translations that were
478: handled by the system wide name translation cache, and
479: the number and percentage of the translations that were
480: handled by the per process name translation cache.
481: .Pp
1.5 flipk 482: At the bottom left is the disk usage display.
483: It reports the number of seeks, transfers, number
484: of kilobyte blocks transferred per second averaged over the
485: refresh period of the display (by default, five seconds), and
486: the time spent in disk accesses.
487: .Pp
1.1 deraadt 488: Under the date in the upper right hand quadrant are statistics
489: on paging and swapping activity.
490: The first two columns report the average number of pages
491: brought in and out per second over the last refresh interval
492: due to page faults and the paging daemon.
493: The third and fourth columns report the average number of pages
494: brought in and out per second over the last refresh interval
495: due to swap requests initiated by the scheduler.
496: The first row of the display shows the average
1.8 aaron 497: number of disk transfers per second over the last refresh interval.
498: The second row of the display shows the average
1.1 deraadt 499: number of pages transferred per second over the last refresh interval.
500: .Pp
501: Running down the right hand side of the display is a breakdown
502: of the interrupts being handled by the system.
503: At the top of the list is the total interrupts per second
504: over the time interval.
505: The rest of the column breaks down the total on a device
506: by device basis.
507: Only devices that have interrupted at least once since boot time are shown.
1.83 jmc 508: .Pp
509: Below the Interrupts display is a summary of
510: total number of input packets and output packets for all interfaces.
1.5 flipk 511: .Pp
512: Below the SWAPPING display and slightly to the left of the Interrupts
1.18 aaron 513: display is a list of virtual memory statistics.
514: The abbreviations are:
1.36 jmc 515: .Pp
1.38 niallo 516: .Bl -tag -compact -width "kmapentXX" -offset indent
1.21 deraadt 517: .It forks
518: process forks
519: .It fkppw
520: forks where parent waits
521: .It fksvm
522: forks where vmspace is shared
523: .It pwait
524: fault had to wait on a page
525: .It relck
526: fault relock called
527: .It rlkok
528: fault relock is successful
529: .It noram
530: faults out of ram
531: .It ndcpy
532: number of times fault clears "need copy"
533: .It fltcp
534: number of times fault promotes with copy
535: .It zfod
536: fault promotes with zerofill
1.5 flipk 537: .It cow
1.21 deraadt 538: number of times fault anon cow
539: .It fmin
540: min number of free pages
541: .It ftarg
542: target number of free pages
543: .It itarg
544: target number of inactive pages
545: .It wired
546: wired pages
1.25 deraadt 547: .It pdfre
1.21 deraadt 548: pages daemon freed since boot
549: .It pdscn
550: pages daemon scanned since boot
1.38 niallo 551: .It pzidle
552: number of zeroed pages
553: .It kmapent
554: number of kernel map entries
1.5 flipk 555: .El
556: .Pp
1.13 aaron 557: The
558: .Ql %zfod
559: value is more interesting when observed over a long
1.76 jmc 560: period, such as from boot time.
561: .\"(see the
562: .\".Cm boot
563: .\"option below).
1.35 markus 564: .El
1.74 jmc 565: .\".Pp
566: .\"The following commands are specific to the
567: .\".Ic vmstat
568: .\"and
569: .\".Ic ifstat
570: .\"views; the minimum unambiguous prefix may be supplied.
571: .\".Pp
572: .\".Bl -tag -width Ds -compact
573: .\".It Cm boot
574: .\"Display cumulative statistics since the system was booted.
575: .\".It Cm run
576: .\"Display statistics as a running total from the point this
577: .\"command is given.
578: .\".It Cm time
579: .\"Display statistics averaged over the refresh interval (the default).
580: .\".It Cm zero
581: .\"Reset running statistics to zero.
582: .\".El
583: .\".Pp
584: .\"The following commands are common to each view which shows
585: .\"information about disk drives.
586: .\"These commands are used to select a set of drives to report on,
587: .\"should a system have more drives configured
588: .\"than can normally be displayed on the screen.
589: .\".Pp
590: .\".Bl -tag -width Tx -compact
591: .\".It Cm display Op Ar drives
592: .\"Display information about the drives indicated.
593: .\"Multiple drives may be specified, separated by spaces.
594: .\".It Cm ignore Op Ar drives
595: .\"Do not display information about the drives indicated.
596: .\"Multiple drives may be specified, separated by spaces.
597: .\".El
1.1 deraadt 598: .Sh FILES
1.73 jmc 599: .Bl -tag -width "/etc/networksXXX" -compact
1.1 deraadt 600: .It Pa /etc/hosts
1.73 jmc 601: Host names.
1.1 deraadt 602: .It Pa /etc/networks
1.73 jmc 603: Network names.
1.62 matthieu 604: .It Pa /etc/pf.conf
1.73 jmc 605: .Xr pf 4
606: configuration.
1.1 deraadt 607: .It Pa /etc/services
1.73 jmc 608: Port names.
1.1 deraadt 609: .El
1.15 aaron 610: .Sh SEE ALSO
1.85 ! jmc 611: .Xr fstat 1 ,
1.15 aaron 612: .Xr kill 1 ,
1.37 jmc 613: .Xr netstat 1 ,
1.79 jasper 614: .Xr nfsstat 1 ,
1.15 aaron 615: .Xr ps 1 ,
616: .Xr top 1 ,
1.37 jmc 617: .Xr iostat 8 ,
1.62 matthieu 618: .Xr pfctl 8 ,
1.37 jmc 619: .Xr pstat 8 ,
620: .Xr renice 8 ,
1.48 deanna 621: .Xr sysctl 8 ,
1.37 jmc 622: .Xr vmstat 8
1.1 deraadt 623: .Sh HISTORY
624: The
1.13 aaron 625: .Nm
1.73 jmc 626: program first appeared in
1.1 deraadt 627: .Bx 4.3 .
628: .Sh BUGS
629: Certain displays presume a minimum of 80 characters per line.
630: The
631: .Ic vmstat
632: display looks out of place because it is (it was added in as
633: a separate display rather than created as a new program).
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