what are wild cards?

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what are wild cards?..

Answer / upendar

Wild Cards are Special Characters.
Wild cards in UNIX is:

? Matches any one character in a filename.

* Matches any character or characters in a filename.

[ ] Matches one of the characters included inside the [ ] symbols.

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what are wild cards?..

Answer / manpreet jhandi

Symbol used to replace or represent one or more characters.
Wildcards or wild characters are either an asterisk (*),
which represents one or more characters or question mark (?),
which represents a single character.

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