Wildcard Character

 A wildcard character is a keyboard character such as an asterisk(*) or question mark that is used to represent one or more character when you are searching for files are folders. 

Wildcard character are often used in place of one or more characters when you do not know the entire name of the folder or the file. 

Wildcard Character Asterisk (*) used

Suppose you are looking for an MS Word file that starts with 'project' but you don't remember the  rest of the file name 

Type project*.doc or project*

Wildcard Character Question mark (?) 

The question mark is used as a substitute for a single character in a name. 

Example: If you type project?.doc

You will locate the file projectA.doc