1.Previous
3.Next

that it will not acquire a new controlling tty even by accident (which happens when a session leader without a controlling tty opens a free tty), it may fork and exit again. This means that it is no longer a session leader in the new session, and cannot acquire a controlling tty.
* Setting the root directory as the current working directory so that the process does not keep any directory in use that may be on a mounted

1.Previous
3.Next