Forkstat monitors process fork(), exec() and exit() activity. It is useful for monitoring system behaviour and to track down rogue processes that are spawning off processes and potentially abusing the system.

OpenACS (Open Architecture Community System) is a toolkit for building scalable, community-oriented web applications. It is based on the Tcl language and the AOLServer web server.

Leave waits until the specified time, then reminds you that you have to leave. You are reminded 5 minutes and 1 minute before the actual time, at the time, and every minute thereafter. When you log off, leave exits just before it would have printed the next message.