Meta characters have special meaning in Unix. For example * and ? are metacharacters. We use * to match 0 or more characters, a question mark ?matches with single character.
For Example −
$ls ch*.doc
Displays all the files whose name start with ch and ends with .doc −
ch01-1.doc ch010.doc ch02.doc ch03-2.doc
ch04-1.doc ch040.doc ch05.doc ch06-2.doc
ch01-2.doc ch02-1.doc c
Here * works as meta character which matches with any character. If you want to display all the files ending with just .doc then you can use following command −
$ls *.doc
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