Editing Expect (section)

== Basics ==
Expect is used to automate control of interactive [[application software|applications]] such as [[Telnet]], [[FTP]], [[Passwd (command)|passwd]], [[fsck]], [[rlogin]], [[tip (unix utility)|tip]], [[Secure Shell|SSH]], and others.<ref>{{Cite web |url=https://www.howtogeek.com/devops/automate-inputs-to-linux-scripts-with-the-expect-command/ |title=Automate Inputs to Linux Scripts With the expect Command |last=Mckay |first=David |date=May 24, 2021 |orig-date=May 24, 2021 |series=category/Linux |access-date=Nov 28, 2023 |language=en}}</ref> Expect uses [[pseudo terminal]]s (Unix) or emulates a console (Windows), starts the target program, and then communicates with it, just as a human would, via the terminal or console interface.<ref>{{Cite book |last1=Carling |first1=M. |url=https://books.google.com/books?id=tK4oIcnngiUC&dq=pseudo+terminals+expect&pg=PA125 |title=Linux System Administration |last2=Degler |first2=Stephen |last3=Dennis |first3=James |date=2000 |publisher=Sams Publishing |isbn=978-1-56205-934-7 |language=en}}</ref> [[Tk (framework)|Tk]], another Tcl extension, can be used to provide a [[GUI]].<ref>{{Cite web |title=Tcl/Tk in the Development of User-Extensible Graphical User Interfaces |url=https://www.usenix.org/legacy/publications/library/proceedings/tcl96/full_papers/skinner/skinner.html |access-date=2022-08-11 |website=www.usenix.org}}</ref>