.TH QUIZ 6 .SH NAMEquiz \- test your knowledge.SH SYNOPSIS.B /usr/games/quiz[.B \-ifile ][.B \-t] [ category1 category2 ].SH DESCRIPTION.I Quizgives associativeknowledge tests on various subjects.It asks items chosen from.I category1and expects answers from.IR category2 .If no categories are specified,.I quizgives instructionsand lists the available categories..PP.I Quiztells a correct answer whenever you typea bare newline.At the end of input, upon interrupt,or when questions run out,.I quizreports a score and terminates..PPThe.B \-tflag specifies `tutorial' mode,where missed questions are repeatedlater, and material is gradually introduced as you learn..PPThe.B \-iflag causes the named file to be substituted for thedefault index file.The lines of these files have the  syntax:.IP "" 4.nf.ta \w'alternate 'uline	= category newline \(bv category `:' linecategory	= alternate \(bv category `|' alternatealternate	= empty \(bv alternate primaryprimary	= character \(bv `[' category `]' \(bv optionoption	= `{' category `}'.PP.fiThe first category on eachline of an index file names an information file.The remaining categories specify the order and contents ofthe data in each line of theinformation file.Information files have the same syntax.Backslash `\\' is used as with.IR sh (1)to quote syntacticallysignificant characters or to insert transparentnewlines into a line.When either a question or its answer is empty,.I quizwill refrain from asking it..SH FILES/usr/games/quiz.k/*.SH BUGSThe construct `a|ab' doesn't work in an informationfile.Use `a{b}'.