Problems with guest login script

[Dave Hammond]

hb at vpnet.chi.il.us (hank barta) writes:

>> 	# .profile
>> 	exec new_user.sh
>Since the script is not directly executable but must be interpreted
>by a shell, is there some way the user can get back to the shell itself?

No.  The shell does this by doing an exec{l,v} without first forking to
create a new child process.  This overlays the parent process (be it a
shell or any other program) with the new process, rather than creating a
subprocess.

The shell probably invokes another sh and passes it `-c new_user.sh',
although it might avoid the exec{l,v} by special-casing scripts and
internally simulating the above action.

--
Dave Hammond
daveh at marob.masa.com
uunet!masa.com!marob!daveh