In the Question/Answer user interface the execution of XRONOS applications is controlled by answering individual questions. Questions are asked after a XRONOS application is started, e.g. :
[n]Xronos> lc1
>>>> Program lc1 5-JUL-1992 19:15:07 Xronos vers. 3.00 Jul 92
Enter up to 50 input filenames and options for series 1 (or rtn)
lc1> Ser. 1 filename 1 +options[.rbf]=> a2030
User's replies are given after the => prompt. A default is indicated in
square brackets and allowed replies (when relevant) in curly brackets.