- default output, kept as is
```
% freebsd-version
14.0-CURRENT
```
- output using verbose information
```
% freebsd-version -v
14.0-CURRENT 1400063
```
- output using verbose information (running_version)
```
% freebsd-version -rv
14.0-CURRENT 1400063
```
- userland and running_version, kept as is
```
% freebsd-version -ru
14.0-CURRENT
14.0-CURRENT
```
- userland and running_version with verbose information
```
% freebsd-version -ruv
14.0-CURRENT 1400063
14.0-CURRENT 1400063
```
- print out kernel version
```
% freebsd-version -k
14.0-CURRENT
```
- print out verbose kernel information
```
% freebsd-version -kv
14.0-CURRENT #0 main-n256697-b691e485bda5
```