Demonstrations of Wildcards
$ ls apple.txt applebad.txt applegood.txt bag.dat basket.txt fin.dat go.exe tar.tar zoo.zoo zz.txt $ ls *.txt apple.txt applebad.txt applegood.txt basket.txt zz.txt $ ls a*.txt apple.txt applebad.txt applegood.txt $ ls ???.??? bag.dat fin.dat tar.tar zoo.zoo $ ls apple[b,g]*.txt applebad.txt applegood.txt $ ls [a-z]*.txt apple.txt applebad.txt applegood.txt basket.txt zz.txt $