pgrphack 1 user commands djbwares pgrphack runs a program in a separate process group pgrphack child pgrphack runs child in a new process group. supervise1, svc1, svok1, svstat1, svscanboot1, svscan1, readproctitle1, fghack1, multilog1, tai64n1, tai64nlocal1, setuidgid1, envuidgid1, envdir1, softlimit1, setlock1 pgrphack was originally part of Daniel J. Bernstein's daemontools toolset. Original code and documentation by Daniel J. Bernstein. Documentation modernizations by Jonathan de Boyne Pollard.