14 The exit command terminates a script started via the run or source command.
15 If scripts are nested, only the innermost script is left.
19 => setenv inner 'echo entry inner; exit; echo inner done'
20 => setenv outer 'echo entry outer; run inner; echo outer done'
27 When executed outside a script a warning is written. Following commands are not
32 => echo first; exit; echo last
34 exit not allowed from main input shell.
40 $? is always set to 0 (true).