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bin/freebsd-version/freebsd-version.1
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| .Dt FREEBSD-VERSION 1 | .Dt FREEBSD-VERSION 1 | ||||
| .Os | .Os | ||||
| .Sh NAME | .Sh NAME | ||||
| .Nm freebsd-version | .Nm freebsd-version | ||||
| .Nd print the version and patch level of the installed system | .Nd print the version and patch level of the installed system | ||||
| .Sh SYNOPSIS | .Sh SYNOPSIS | ||||
| .Nm | .Nm | ||||
| .Op Fl kru | .Op Fl kru | ||||
| .Op Fl j Ar jail | |||||
| .Sh DESCRIPTION | .Sh DESCRIPTION | ||||
| The | The | ||||
| .Nm | .Nm | ||||
| utility makes a best effort to determine the version and patch level | utility makes a best effort to determine the version and patch level | ||||
| of the installed kernel and / or userland. | of the installed kernel and / or userland. | ||||
| .Pp | .Pp | ||||
| The following options are available: | The following options are available: | ||||
| .Bl -tag -width Fl | .Bl -tag -width Fl | ||||
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| Unlike | Unlike | ||||
| .Xr uname 1 , | .Xr uname 1 , | ||||
| this is unaffected by environment variables. | this is unaffected by environment variables. | ||||
| .It Fl u | .It Fl u | ||||
| Print the version and patch level of the installed userland. | Print the version and patch level of the installed userland. | ||||
| These are hardcoded into | These are hardcoded into | ||||
| .Nm | .Nm | ||||
| during the build. | 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 . | |||||
| .El | .El | ||||
| .Pp | .Pp | ||||
| If several of the above options are specified, | If several of the above options are specified, | ||||
| .Nm | .Nm | ||||
| will print the installed kernel version first, then the running kernel | will print the installed kernel version first, then the running kernel | ||||
| version, and finally the userland version, on separate lines. | version, next the userland version, and finally the userland version | ||||
| If neither is specified, it will print the userland version only. | of the specified jail, on separate lines. If neither is specified, it | ||||
| will print the userland version only. | |||||
| .Sh IMPLEMENTATION NOTES | .Sh IMPLEMENTATION NOTES | ||||
| The | The | ||||
| .Nm | .Nm | ||||
| utility should provide the correct answer in the vast majority of | utility should provide the correct answer in the vast majority of | ||||
| cases, including on systems kept up-to-date using | cases, including on systems kept up-to-date using | ||||
| .Xr freebsd-update 8 , | .Xr freebsd-update 8 , | ||||
| which does not update the kernel version unless the kernel itself was | which does not update the kernel version unless the kernel itself was | ||||
| affected by the latest patch. | affected by the latest patch. | ||||
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