The exit command terminates a script started via the run or source command. If scripts are nested, only the innermost script is left.
=> setenv inner 'echo entry inner; exit; echo inner done' => setenv outer 'echo entry outer; run inner; echo outer done' => run outer entry outer entry inner outer done =>
When executed outside a script a warning is written. Following commands are not executed.
=> echo first; exit; echo last first exit not allowed from main input shell. =>
$? is default set to 0 (true). In case zero or positive integer parameter is passed to the command, the return value is the parameter value. In case negative integer parameter is passed to the command, the return value is 0.