- default output, kept as is
```
freebsd-version
13.0-CURRENT
```
- output using verbose information
```
freebsd-version -v
13.0-CURRENT 1300126
```
- output using verbose information (running_version, for its kernel)
```
freebsd-version -rv
13.0-CURRENT 1300126
```
- userland and running_version, kept as is
```
freebsd-version -ru
13.0-CURRENT
13.0-CURRENT
```
- userland and running_version with all verbose information
```
freebsd-version -ruv
13.0-CURRENT 1300126
13.0-CURRENT 1300126
```