vserver(8) on Linux
The text 468e1865ae18, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it. The page shows this text now.
The vserver utility enables you to manage the state of vservers, including building, starting, stopping, etc.