38-Linux wildcards | Linux Tutorial | Linux Commands | Linux for Beginners
How to use *, ?, [ ] wild cards in Linux ? What are the benefits of using wild cards in Linux. How they differ.
In Linux, wildcards are used as a shorthand to represent one or more characters in a filename or command. There are three main types of wildcards used in Linux: asterisk (*), question mark (?), and square brackets ([]).
The asterisk (*) represents any number of characters, including none, while the question mark (?) represents a single character. The square brackets ([]), also known as character classes, allow you to match any one of a set of characters.
The benefits of using wildcards in Linux include:
Time-saving: Wildcards can save you a lot of time by allowing you to perform actions on multiple files at once.
Flexibility: Wildcards provide flexibility in the sense that you don't have to know the exact filename to perform an action.
Efficiency: Using wildcards in commands reduces the amount of typing needed, making it quicker and easier to perform actions on files.
The three types of wildcards differ in the following ways:
Asterisk (*) matches any number of characters, including none.
Question mark (?) matches exactly one character.
Square brackets ([]) match any one of a set of characters.
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