mdoc(7) police: fixed formatting.
This commit is contained in:
parent
8fa6936ded
commit
def778b8fe
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=79314
@ -51,16 +51,17 @@ The
|
||||
.Nm
|
||||
utility retrieves kernel state and allows processes with appropriate
|
||||
privilege to set kernel state.
|
||||
The state to be retrieved or set is described using a ``Management
|
||||
Information Base'' (``MIB'') style name, described as a dotted set of
|
||||
The state to be retrieved or set is described using a
|
||||
.Dq Management Information Base
|
||||
.Pq Dq MIB
|
||||
style name, described as a dotted set of
|
||||
components.
|
||||
.Pp
|
||||
The following options are available:
|
||||
.Bl -tag -width indent
|
||||
.It Fl A
|
||||
Equivalent to
|
||||
.Fl o
|
||||
.Fl a
|
||||
.Fl o a
|
||||
(for compatibility).
|
||||
.It Fl a
|
||||
List all the currently available non-opaque values.
|
||||
@ -77,25 +78,25 @@ completion.
|
||||
To enable completion of variable names in
|
||||
.Nm zsh ,
|
||||
use the following code:
|
||||
.Bd -literal -offset indent -compact
|
||||
.Bd -literal -offset indent
|
||||
listsysctls () { set -A reply $(sysctl -AN ${1%.*}) }
|
||||
compctl -K listsysctls sysctl
|
||||
.Ed
|
||||
.It Fl n
|
||||
Show only variable values, not their names.
|
||||
This option is useful for setting shell variables.
|
||||
For instance, to save the pagesize in variable psize, use:
|
||||
.Bd -literal -offset indent -compact
|
||||
set psize=`sysctl -n hw.pagesize`
|
||||
.Ed
|
||||
For instance, to save the pagesize in variable
|
||||
.Va psize ,
|
||||
use:
|
||||
.Pp
|
||||
.Dl "set psize=`sysctl -n hw.pagesize`"
|
||||
.It Fl o
|
||||
Show opaque variables (which are normally suppressed).
|
||||
The format and length are printed, as well as a hex dump of the first
|
||||
sixteen bytes of the value.
|
||||
.It Fl X
|
||||
Equivalent to
|
||||
.Fl x
|
||||
.Fl a
|
||||
.Fl x a
|
||||
(for compatibility).
|
||||
.It Fl x
|
||||
As
|
||||
@ -112,8 +113,7 @@ only knows about a couple of opaque types, and will resort to hexdumps
|
||||
for the rest.
|
||||
The opaque information is much more useful if retrieved by special
|
||||
purpose programs such as
|
||||
.Nm ps ,
|
||||
.Nm systat ,
|
||||
.Nm ps , systat ,
|
||||
and
|
||||
.Nm netstat .
|
||||
.Pp
|
||||
@ -190,46 +190,42 @@ privilege can change the value.
|
||||
.Sh EXAMPLES
|
||||
For example, to retrieve the maximum number of processes allowed
|
||||
in the system, one would use the following request:
|
||||
.Bd -literal -offset indent -compact
|
||||
sysctl kern.maxproc
|
||||
.Ed
|
||||
.Pp
|
||||
.Dl "sysctl kern.maxproc"
|
||||
.Pp
|
||||
To set the maximum number of processes allowed
|
||||
per uid to 1000, one would use the following request:
|
||||
.Bd -literal -offset indent -compact
|
||||
sysctl -w kern.maxprocperuid=1000
|
||||
.Ed
|
||||
.Pp
|
||||
.Dl "sysctl -w kern.maxprocperuid=1000"
|
||||
.Pp
|
||||
Information about the system clock rate may be obtained with:
|
||||
.Bd -literal -offset indent -compact
|
||||
sysctl kern.clockrate
|
||||
.Ed
|
||||
.Pp
|
||||
.Dl "sysctl kern.clockrate"
|
||||
.Pp
|
||||
Information about the load average history may be obtained with:
|
||||
.Bd -literal -offset indent -compact
|
||||
sysctl vm.loadavg
|
||||
.Ed
|
||||
.Pp
|
||||
.Dl "sysctl vm.loadavg"
|
||||
.Pp
|
||||
More variables than these exist, and the best and likely only place
|
||||
to search for their deeper meaning is undoubtedly the source where
|
||||
they are defined.
|
||||
.Sh FILES
|
||||
.Bl -tag -width <netinet/icmpXvar.h> -compact
|
||||
.It Pa <sys/sysctl.h>
|
||||
.Bl -tag -xwidth ".Aq Pa netinet/icmp_var.h" -compact
|
||||
.It Aq Pa sys/sysctl.h
|
||||
definitions for top level identifiers, second level kernel and hardware
|
||||
identifiers, and user level identifiers
|
||||
.It Pa <sys/socket.h>
|
||||
.It Aq Pa sys/socket.h
|
||||
definitions for second level network identifiers
|
||||
.It Pa <sys/gmon.h>
|
||||
.It Aq Pa sys/gmon.h
|
||||
definitions for third level profiling identifiers
|
||||
.It Pa <vm/vm_param.h>
|
||||
.It Aq Pa vm/vm_param.h
|
||||
definitions for second level virtual memory identifiers
|
||||
.It Pa <netinet/in.h>
|
||||
.It Aq Pa netinet/in.h
|
||||
definitions for third level Internet identifiers and
|
||||
fourth level IP identifiers
|
||||
.It Pa <netinet/icmp_var.h>
|
||||
.It Aq Pa netinet/icmp_var.h
|
||||
definitions for fourth level ICMP identifiers
|
||||
.It Pa <netinet/udp_var.h>
|
||||
.It Aq Pa netinet/udp_var.h
|
||||
definitions for fourth level UDP identifiers
|
||||
.El
|
||||
.Sh SEE ALSO
|
||||
|
Loading…
Reference in New Issue
Block a user