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FREEBSD-VERSION(1)	FreeBSD	General	Commands Manual	    FREEBSD-VERSION(1)

NAME
     freebsd-version --	print the version and patch level of the installed
     system

SYNOPSIS
     freebsd-version [-ku]

DESCRIPTION
     The freebsd-version utility makes a best effort to	determine the version
     and patch level of	the installed kernel and / or userland.

     The following options are available:

     -k		 Print the version and patch level of the installed kernel.
		 Unlike	uname(1), if a new kernel has been installed but the
		 system	has not	yet rebooted, freebsd-version will print the
		 version and patch level of the	new kernel.

     -u		 Print the version and patch level of the installed userland.
		 These are hardcoded into freebsd-version during the build.

     If	both -k	and -u are specified, freebsd-version will print the kernel
     version first, then the userland version, on separate lines.  If neither
     is	specified, it will print the userland version only.

IMPLEMENTATION NOTES
     The freebsd-version utility should	provide	the correct answer in the vast
     majority of cases,	including on systems kept up-to-date using
     freebsd-update(8),	which does not update the kernel version unless	the
     kernel itself was affected	by the latest patch.

     To	determine the name (and	hence the location) of a custom	kernel,	the
     freebsd-version utility will attempt to parse /boot/defaults/loader.conf
     and /boot/loader.conf, looking for	definitions of the kernel and bootfile
     variables,	both with a default value of ``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 /boot/loader.rc.

ENVIRONMENT
     ROOT  Path	to the root of the filesystem in which to look for loader.conf
	   and the kernel.

EXAMPLES
     To	determine the version of the currently running userland:

	   /bin/freebsd-version	-u

     To	inspect	a system being repaired	using a	live CD:

	   mount -rt ufs /dev/ada0p2 /mnt
	   env ROOT=/mnt /mnt/bin/freebsd-version -ku

SEE ALSO
     uname(1), loader.conf(5), freebsd-version(8)

HISTORY
     The freebsd-version command appeared in FreeBSD 10.0.

AUTHORS
     The freebsd-version utility and this manual page were written by
     Dag-Erling	Smorgrav <des@FreeBSD.org>.

FreeBSD	10.1			October	5, 2013			  FreeBSD 10.1

NAME | SYNOPSIS | DESCRIPTION | IMPLEMENTATION NOTES | ENVIRONMENT | EXAMPLES | SEE ALSO | HISTORY | AUTHORS

Want to link to this manual page? Use this URL:
<https://www.freebsd.org/cgi/man.cgi?query=freebsd-version&sektion=1&manpath=FreeBSD+10.1-RELEASE>

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