Keyboard shortcuts

Press ← or → to navigate between chapters

Press S or / to search in the book

Press ? to show this help

Press Esc to hide this help

Exercise: Catching Ctrl-C on Unix 2nd time

  • When Ctrl-C is pressed display: "In order to really kill the application press Ctrl-C again" and keep running. If the user presses Ctrl-C again, then let id die.
  • Improve the previous that if 5 sec within the first Ctrl-C there is no 2nd Ctrl-C then any further Ctrl-C will trigger the above message again.