Date: Mon, 5 Oct 2020 13:49:45 +0000 (UTC) From: =?UTF-8?Q?Fernando_Apestegu=c3=ada?= <fernape@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r366447 - head/bin/kenv Message-ID: <202010051349.095Dnj3G026844@repo.freebsd.org>
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Author: fernape (ports committer) Date: Mon Oct 5 13:49:45 2020 New Revision: 366447 URL: https://svnweb.freebsd.org/changeset/base/366447 Log: kenv(1): Add EXAMPLES to man page Add EXAMPLES section covering all the options Approved by: manpages (bcr@) Differential Revision: https://reviews.freebsd.org/D26664 Modified: head/bin/kenv/kenv.1 Modified: head/bin/kenv/kenv.1 ============================================================================== --- head/bin/kenv/kenv.1 Mon Oct 5 13:46:19 2020 (r366446) +++ head/bin/kenv/kenv.1 Mon Oct 5 13:49:45 2020 (r366447) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd May 11, 2012 +.Dd October 5, 2020 .Dt KENV 1 .Os .Sh NAME @@ -102,6 +102,44 @@ Almost any printable character except .Sq = is acceptable as part of a name. Quotes are optional and necessary only if the value contains whitespace. +.Sh EXAMPLES +Show kernel probe hints variable names and filter for the uart +device +.Bd -literal -offset indent +$ kenv -h -N | grep uart +hint.uart.0.at +hint.uart.0.flags +hint.uart.0.irq +hint.uart.0.port +hint.uart.1.at +hint.uart.1.irq +hint.uart.1.port +.Ed +.Pp +Show the value of a specific variable: +.Bd -literal -offset indent +$ kenv hint.uart.1.at +isa +.Ed +.Pp +Same as above but adding the name of the variable in the report: +.Bd -literal -offset indent +$ kenv -v hint.uart.1.at +hint.uart.1.at="isa" +.Ed +.Pp +Try to delete a variable and suppress warnings if any: +.Bd -literal -offset indent +$ kenv -q -u hint.uart.1.at +.Ed +.Pp +Set the value of the +.Ev verbose_loading +variable +.Bd -literal -offset indent +$ kenv verbose_loading="YES" +verbose_loading="YES" +.Ed .Sh SEE ALSO .Xr kenv 2 , .Xr config 5 ,
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