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sysctl.8: mark sysctls as vars per style.mdoc(7)
+ while here, fix alignment and tag SPDX MFC after: 3 days Reviewed by: imp Pull Request: #1421
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‎sbin/sysctl/sysctl.8‎

Lines changed: 78 additions & 76 deletions
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,6 @@
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.\"-
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.\" SPDX-License-Identifier: BSD-3-Clause
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.\"
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.\" Copyright (c) 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
@@ -50,11 +53,10 @@ privilege to set kernel state.
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The state to be retrieved or set is described using a
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.Dq Management Information Base
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.Pq Dq MIB
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style name, described as a dotted set of
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components.
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style name, described as a dotted set of components.
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.Pp
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The following options are available:
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.Bl -tag -width indent
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.Bl -tag -width "-f filename"
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.It Fl A
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Equivalent to
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.Fl o a
@@ -202,77 +204,77 @@ String and integer values can be set using
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.Nm .
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.Bl -column security.bsd.unprivileged_read_msgbuf integerxxx
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.It Sy "Name Type Changeable"
205-
.It "kern.ostype string no"
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.It "kern.osrelease string no"
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.It "kern.osrevision integer no"
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.It "kern.version string no"
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.It "kern.maxvnodes integer yes"
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.It "kern.maxproc integer no"
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.It "kern.maxprocperuid integer yes"
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.It "kern.maxfiles integer yes"
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.It "kern.maxfilesperproc integer yes"
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.It "kern.argmax integer no"
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.It "kern.securelevel integer raise only"
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.It "kern.hostname string yes"
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.It "kern.hostid integer yes"
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.It "kern.clockrate struct no"
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.It "kern.posix1version integer no"
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.It "kern.ngroups integer no"
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.It "kern.job_control integer no"
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.It "kern.saved_ids integer no"
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.It "kern.boottime struct no"
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.It "kern.domainname string yes"
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.It "kern.filedelay integer yes"
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.It "kern.dirdelay integer yes"
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.It "kern.metadelay integer yes"
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.It "kern.osreldate integer no"
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.It "kern.bootfile string yes"
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.It "kern.corefile string yes"
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.It "kern.logsigexit integer yes"
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.It "security.bsd.suser_enabled integer yes"
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.It "security.bsd.see_other_uids integer yes"
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.It "security.bsd.see_other_gids integer yes"
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.It "security.bsd.see_jail_proc integer yes"
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.It "security.bsd.unprivileged_proc_debug integer yes"
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.It "security.bsd.unprivileged_read_msgbuf integer yes"
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.It "vm.loadavg struct no"
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.It "hw.machine string no"
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.It "hw.model string no"
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.It "hw.ncpu integer no"
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.It "hw.byteorder integer no"
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.It "hw.physmem integer no"
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.It "hw.usermem integer no"
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.It "hw.pagesize integer no"
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.It "hw.floatingpoint integer no"
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.It "hw.machine_arch string no"
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.It "hw.realmem integer no"
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.It "machdep.adjkerntz integer yes"
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.It "machdep.disable_rtc_set integer yes"
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.It "machdep.guessed_bootdev string no"
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.It "user.cs_path string no"
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.It "user.bc_base_max integer no"
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.It "user.bc_dim_max integer no"
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.It "user.bc_scale_max integer no"
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.It "user.bc_string_max integer no"
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.It "user.coll_weights_max integer no"
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.It "user.expr_nest_max integer no"
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.It "user.line_max integer no"
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.It "user.re_dup_max integer no"
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.It "user.posix2_version integer no"
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.It "user.posix2_c_bind integer no"
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.It "user.posix2_c_dev integer no"
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.It "user.posix2_char_term integer no"
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.It "user.posix2_fort_dev integer no"
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.It "user.posix2_fort_run integer no"
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.It "user.posix2_localedef integer no"
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.It "user.posix2_sw_dev integer no"
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.It "user.posix2_upe integer no"
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.It "user.stream_max integer no"
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.It "user.tzname_max integer no"
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.It "user.localbase string no"
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.It Va "kern.ostype string no"
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.It Va "kern.osrelease string no"
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.It Va "kern.osrevision integer no"
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.It Va "kern.version string no"
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.It Va "kern.maxvnodes integer yes"
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.It Va "kern.maxproc integer no"
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.It Va "kern.maxprocperuid integer yes"
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.It Va "kern.maxfiles integer yes"
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.It Va "kern.maxfilesperproc integer yes"
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.It Va "kern.argmax integer no"
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.It Va "kern.securelevel integer raise only"
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.It Va "kern.hostname string yes"
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.It Va "kern.hostid integer yes"
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.It Va "kern.clockrate struct no"
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.It Va "kern.posix1version integer no"
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.It Va "kern.ngroups integer no"
223+
.It Va "kern.job_control integer no"
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.It Va "kern.saved_ids integer no"
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.It Va "kern.boottime struct no"
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.It Va "kern.domainname string yes"
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.It Va "kern.filedelay integer yes"
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.It Va "kern.dirdelay integer yes"
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.It Va "kern.metadelay integer yes"
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.It Va "kern.osreldate integer no"
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.It Va "kern.bootfile string yes"
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.It Va "kern.corefile string yes"
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.It Va "kern.logsigexit integer yes"
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.It Va "security.bsd.suser_enabled integer yes"
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.It Va "security.bsd.see_other_uids integer yes"
236+
.It Va "security.bsd.see_other_gids integer yes"
237+
.It Va "security.bsd.see_jail_proc integer yes"
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.It Va "security.bsd.unprivileged_proc_debug integer yes"
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.It Va "security.bsd.unprivileged_read_msgbuf integer yes"
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.It Va "vm.loadavg struct no"
241+
.It Va "hw.machine string no"
242+
.It Va "hw.model string no"
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.It Va "hw.ncpu integer no"
244+
.It Va "hw.byteorder integer no"
245+
.It Va "hw.physmem integer no"
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.It Va "hw.usermem integer no"
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.It Va "hw.pagesize integer no"
248+
.It Va "hw.floatingpoint integer no"
249+
.It Va "hw.machine_arch string no"
250+
.It Va "hw.realmem integer no"
251+
.It Va "machdep.adjkerntz integer yes"
252+
.It Va "machdep.disable_rtc_set integer yes"
253+
.It Va "machdep.guessed_bootdev string no"
254+
.It Va "user.cs_path string no"
255+
.It Va "user.bc_base_max integer no"
256+
.It Va "user.bc_dim_max integer no"
257+
.It Va "user.bc_scale_max integer no"
258+
.It Va "user.bc_string_max integer no"
259+
.It Va "user.coll_weights_max integer no"
260+
.It Va "user.expr_nest_max integer no"
261+
.It Va "user.line_max integer no"
262+
.It Va "user.re_dup_max integer no"
263+
.It Va "user.posix2_version integer no"
264+
.It Va "user.posix2_c_bind integer no"
265+
.It Va "user.posix2_c_dev integer no"
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.It Va "user.posix2_char_term integer no"
267+
.It Va "user.posix2_fort_dev integer no"
268+
.It Va "user.posix2_fort_run integer no"
269+
.It Va "user.posix2_localedef integer no"
270+
.It Va "user.posix2_sw_dev integer no"
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.It Va "user.posix2_upe integer no"
272+
.It Va "user.stream_max integer no"
273+
.It Va "user.tzname_max integer no"
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.It Va "user.localbase string no"
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.El
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.Sh FILES
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.Bl -tag -width ".In netinet/icmp_var.h" -compact
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.Bl -tag -width "<netinet/icmp_var.h>" -compact
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.It In sys/sysctl.h
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definitions for top level identifiers, second level kernel and hardware
278280
identifiers, and user level identifiers
@@ -296,20 +298,20 @@ definitions for fourth level UDP identifiers
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For example, to retrieve the maximum number of processes allowed
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in the system, one would use the following request:
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.Pp
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.Dl "sysctl kern.maxproc"
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.Dl Va "sysctl kern.maxproc"
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.Pp
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To set the maximum number of processes allowed
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per uid to 1000, one would use the following request:
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.Pp
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.Dl "sysctl kern.maxprocperuid=1000"
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.Dl Va "sysctl kern.maxprocperuid=1000"
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.Pp
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Information about the system clock rate may be obtained with:
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.Pp
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.Dl "sysctl kern.clockrate"
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.Dl Va "sysctl kern.clockrate"
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.Pp
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Information about the load average history may be obtained with:
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.Pp
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.Dl "sysctl vm.loadavg"
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.Dl Va "sysctl vm.loadavg"
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.Pp
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More variables than these exist, and the best and likely only place
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to search for their deeper meaning is undoubtedly the source where

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