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-rw-r--r--usr.sbin/iostat/iostat.842
1 files changed, 20 insertions, 22 deletions
diff --git a/usr.sbin/iostat/iostat.8 b/usr.sbin/iostat/iostat.8
index e623de4..035acb8 100644
--- a/usr.sbin/iostat/iostat.8
+++ b/usr.sbin/iostat/iostat.8
@@ -25,8 +25,6 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.\" $FreeBSD$
-.\"
.\" Copyright (c) 1985, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
@@ -59,6 +57,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)iostat.8 8.1 (Berkeley) 6/6/93
+.\" $FreeBSD$
.\"
.Dd December 22, 1997
.Dt IOSTAT 8
@@ -70,7 +69,7 @@
statistics
.Sh SYNOPSIS
.Nm iostat
-.Op Fl CdhKIoT?
+.Op Fl CdhKIoT
.Op Fl c Ar count
.Op Fl M Ar core
.Op Fl n Ar devs
@@ -123,16 +122,16 @@ instead of the default
Display up to
.Ar devs
number of devices.
-.Nm iostat
+.Nm Iostat
will display fewer devices if there aren't
.Ar devs
devices present.
.It Fl N
Extract the name list from the specified system instead of the default
-.Dq Pa /kernel .
+.Pa /kernel .
.It Fl o
Display old-style
-.Nm iostat
+.Nm
device statistics. Sectors per second, transfers per second, and miliseconds
per seek are displayed. If
.Fl I
@@ -203,7 +202,7 @@ all devices in the system are compared. Any device that fully matches
any
.Fl t
argument will be included in the
-.Nm iostat
+.Nm
output, up to the number of devices that can be displayed in
80 columns, or the maximum number of devices specified by the user.
.It Fl T
@@ -217,8 +216,6 @@ seconds between each display.
If no repeat
.Ar count
is specified, the default is infinity.
-.It Fl ?
-Display a usage statement and exit.
.El
.Pp
.Nm Iostat
@@ -233,27 +230,28 @@ characters written to terminals
.El
.It devices
Device operations. The header of the field is the device name and unit number.
-.Nm iostat
+.Nm Iostat
will display as many devices as will fit in a standard 80 column screen, or
the maximum number of devices in the system, whichever is smaller. If
.Fl n
is specified on the command line, iostat will display the smaller of the
requested number of devices, and the maximum number of devices in the system.
To force
-.Nm iostat
+.Nm
to display specific drives, their names may be supplied on the command
line.
-.Nm iostat
+.Nm Iostat
will not display more devices than will fit in an 80 column screen, unless
the
.Fl n
argument is given on the command line to specify a maximum number of
devices to display. If fewer devices are specified on the command line
-than will fit in an 80 column screen, iostat will show only the specified
-devices.
+than will fit in an 80 column screen,
+.Nm
+will show only the specified devices.
.Pp
The standard
-.Nm iostat
+.Nm
device display shows the following statistics:
.Pp
.Bl -tag -width indent -compact
@@ -266,7 +264,7 @@ megabytes per second
.El
.Pp
The standard
-.Nm iostat
+.Nm
device display, with the
.Fl I
flag specified, shows the following statistics:
@@ -281,7 +279,7 @@ total number of megabytes transferred
.El
.Pp
The old-style
-.Nm iostat
+.Nm
display (using
.Fl o )
shows the following statistics:
@@ -296,7 +294,7 @@ average milliseconds per transaction
.El
.Pp
The old-style
-.Nm iostat
+.Nm
display, with the
.Fl I
flag specified, shows the following statistics:
@@ -326,9 +324,9 @@ average milliseconds per transaction
.Sh FILES
.Bl -tag -width /dev/kmem -compact
.It Pa /kernel
-Default kernel namelist.
+default kernel namelist
.It Pa /dev/kmem
-Default memory file.
+default memory file
.El
.Sh EXAMPLES
.Dl iostat -w 1 da0 da1 cd0
@@ -353,7 +351,7 @@ to either Direct Access or CDROM devices.
.Pp
.Dl iostat -h -n 8 -w 1
.Pp
-Display up to 8 devices with the most I/O every second ad inifitum.
+Display up to 8 devices with the most I/O every second ad infinitum.
.Pp
.Dl iostat -dh -t da -w 1
.Pp
@@ -387,7 +385,7 @@ The sections starting with ``Interpreting system activity'' in
.%T "Installing and Operating 4.3BSD" .
.Sh HISTORY
This version of
-.Nm iostat
+.Nm
first appeared in
.Fx 3.0 .
.Sh BUGS
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