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Diffstat (limited to 'static/freebsd/man1/freebsd-version.1')
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diff --git a/static/freebsd/man1/freebsd-version.1 b/static/freebsd/man1/freebsd-version.1 new file mode 100644 index 00000000..c2b3241d --- /dev/null +++ b/static/freebsd/man1/freebsd-version.1 @@ -0,0 +1,131 @@ +.\"- +.\" Copyright (c) 2013 Dag-Erling Smørgrav +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.Dd August 27, 2025 +.Dt FREEBSD-VERSION 1 +.Os +.Sh NAME +.Nm freebsd-version +.Nd print the version and patch level of the installed system +.Sh SYNOPSIS +.Nm +.Op Fl kru +.Op Fl j Ar jail +.Sh DESCRIPTION +The +.Nm +utility makes a best effort to determine the version and patch level +of the installed kernel and / or userland. +.Pp +The following options are available: +.Bl -tag -width Fl +.It Fl k +Print the version and patch level of the installed kernel. +Unlike +.Xr uname 1 , +if a new kernel has been installed but the system has not yet +rebooted, +.Nm +will print the version and patch level of the new kernel. +.It Fl r +Print the version and patch level of the running kernel. +Unlike +.Xr uname 1 , +this is unaffected by environment variables. +.It Fl u +Print the version and patch level of the installed userland. +These are hardcoded into +.Nm +during the build. +.It Fl j Ar jail +Print the version and patch level of the installed userland in the +given jail specified by +.Va jid +or +.Va name . +This option can be specified multiple times. +.El +.Pp +If several of the above options are specified, +.Nm +will print the installed kernel version first, then the running kernel +version, next the userland version, and finally the userland version +of the specified jails, on separate lines. +If no option is specified, it will print the userland version only. +.Sh IMPLEMENTATION NOTES +The +.Nm +utility should provide the correct answer in the vast majority of +cases, including on systems kept up-to-date using +.Xr freebsd-update 8 , +which does not update the kernel version unless the kernel itself was +affected by the latest patch. +.Pp +To determine the name (and hence the location) of a custom kernel, the +.Nm +utility will attempt to parse +.Pa /boot/defaults/loader.conf +and +.Pa /boot/loader.conf , +looking for definitions of the +.Va kernel +and +.Va bootfile +variables, both with a default value of +.Dq kernel . +It may however fail to locate the correct kernel if either or both of +these variables are defined in a non-standard location, such as in +.Pa /boot/loader.rc . +.Sh ENVIRONMENT +.Bl -tag -width ROOT +.It Ev ROOT +Path to the root of the filesystem in which to look for +.Pa loader.conf +and the kernel. +.El +.Sh EXAMPLES +To determine the version of the currently running userland: +.Bd -literal -offset indent +/bin/freebsd-version -u +.Ed +.Pp +To inspect a system being repaired using a live system: +.Bd -literal -offset indent +mount -rt ufs /dev/ada0p2 /mnt +env ROOT=/mnt /mnt/bin/freebsd-version -ku +.Ed +.Sh SEE ALSO +.Xr uname 1 , +.Xr loader.conf 5 +.Sh HISTORY +The +.Nm +command appeared in +.Fx 10.0 . +.Sh AUTHORS +The +.Nm +utility and this manual page were written by +.An Dag-Erling Sm\(/orgrav Aq Mt des@FreeBSD.org . |