Filesystem:/bin/launchctl

Location
The launchctl binary file is located in /bin.

Usage
If you type "launchctl help", you get a list of available commands. This is the output of "launchctl help" when done on an iPod Touch 2nd Generation running iOS 4.2.1: usage: launchctl load           Load configuration files and/or directories unload         Unload configuration files and/or directories start          Start specified job stop           Stop specified job submit         Submit a job from the command line remove         Remove specified job bootstrap      Bootstrap launchd list           List jobs and information about jobs setenv         Set an environmental variable in launchd unsetenv       Unset an environmental variable in launchd getenv         Get an environmental variable from launchd export         Export shell settings from launchd debug          Set the WaitForDebugger flag for the target job to true. limit          View and adjust launchd resource limits stdout         Redirect launchd's standard out to the given path stderr         Redirect launchd's standard error to the given path shutdown       Prepare for system shutdown singleuser     Switch to single-user mode getrusage      Get resource usage statistics from launchd log            Adjust the logging level or mask of launchd umask          Change launchd's umask bsexec         Execute a process within a different Mach bootstrap subset bslist         List Mach bootstrap services and optional servers bstree         Show the entire Mach bootstrap tree. Requires root privileges. managerpid     Print the PID of the launchd managing this Mach bootstrap. manageruid     Print the UID of the launchd managing this Mach bootstrap. managername    Print the name of this Mach bootstrap. exit           Exit the interactive invocation of launchctl quit           Quit the interactive invocation of launchctl help           This help output